Stored cross-site scripting in PAN-OS web interface
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
PAN-OS 11.1.0 before 11.1.16-h3, 11.2.0 before 11.2.16, 12.1.0 before 12.1.10-h2 and 12.2.0 before 12.2.4 on PA-Series and VM-Series firewalls and Panorama have a stored cross-site scripting flaw in the web interface (CWE-79). A malicious authenticated administrator can store or execute a JavaScript payload through the web interface. The risk is reduced when the management interface is restricted to trusted internal IP addresses.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
A stored cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables a malicious authenticated administrator to store or execute a JavaScript payload using the web interface. The security risk posed by this issue is minimized when the management interface is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 . This issue is applicable to PAN-OS® software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series). Cloud NGFW and Prisma® Access are not affected by these vulnerabilities.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Palo Alto Networks | Cloud NGFW | — | All | Patch available | CNA |
| Palo Alto Networks | PAN-OS | 12.2.0 to before 12.2.4; 12.1.0 to before 12.1.10-h2; 11.2.0 to before 11.2.16; 11.1.0 to before 11.1.16-h3 | 12.2.4, 12.1.10-h2, 11.2.16, 11.1.16-h3 | Patch available | CNA |
| Palo Alto Networks | Prisma Access | — | All | Patch available | CNA |
- Cloud NGFW VendorPalo Alto Networks Affected — Fixed in All Patch available CNA
- PAN-OS VendorPalo Alto Networks Affected 12.2.0 to before 12.2.4; 12.1.0 to before 12.1.10-h2; 11.2.0 to before 11.2.16; 11.1.0 to before 11.1.16-h3 Fixed in 12.2.4, 12.1.10-h2, 11.2.16, 11.1.16-h3 Patch available CNA
- Prisma Access VendorPalo Alto Networks Affected — Fixed in All Patch available CNA
CPE names CNA · 44
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:palo_alto_networks:pan-os:12.2.3:*:*:*:*:*:*:* | 12.2.3 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:12.2.2:*:*:*:*:*:*:* | 12.2.2 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:12.1.10:-:*:*:*:*:*:* | 12.1.10 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:12.1.9:*:*:*:*:*:*:* | 12.1.9 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:12.1.8:*:*:*:*:*:*:* | 12.1.8 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:12.1.7:*:*:*:*:*:*:* | 12.1.7 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:12.1.6:*:*:*:*:*:*:* | 12.1.6 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:12.1.5:*:*:*:*:*:*:* | 12.1.5 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:*:*:*:*:*:*:* | 12.1.4 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:12.1.3:*:*:*:*:*:*:* | 12.1.3 | — | Palo Alto Networks |
- cpe:2.3:o:palo_alto_networks:pan-os:12.2.3:*:*:*:*:*:*:* Versions 12.2.3 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:12.2.2:*:*:*:*:*:*:* Versions 12.2.2 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:12.1.10:-:*:*:*:*:*:* Versions 12.1.10 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:12.1.9:*:*:*:*:*:*:* Versions 12.1.9 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:12.1.8:*:*:*:*:*:*:* Versions 12.1.8 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:12.1.7:*:*:*:*:*:*:* Versions 12.1.7 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:12.1.6:*:*:*:*:*:*:* Versions 12.1.6 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:12.1.5:*:*:*:*:*:*:* Versions 12.1.5 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:*:*:*:*:*:*:* Versions 12.1.4 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:12.1.3:*:*:*:*:*:*:* Versions 12.1.3 — ·Palo Alto Networks
Show 34 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:palo_alto_networks:pan-os:12.1.2:*:*:*:*:*:*:* | 12.1.2 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.15:*:*:*:*:*:*:* | 11.2.15 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.13:*:*:*:*:*:*:* | 11.2.13 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.12:*:*:*:*:*:*:* | 11.2.12 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.11:*:*:*:*:*:*:* | 11.2.11 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.10:*:*:*:*:*:*:* | 11.2.10 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.9:*:*:*:*:*:*:* | 11.2.9 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.8:*:*:*:*:*:*:* | 11.2.8 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.7:*:*:*:*:*:*:* | 11.2.7 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.6:*:*:*:*:*:*:* | 11.2.6 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.5:*:*:*:*:*:*:* | 11.2.5 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.4:*:*:*:*:*:*:* | 11.2.4 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.3:*:*:*:*:*:*:* | 11.2.3 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.2:*:*:*:*:*:*:* | 11.2.2 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.1:*:*:*:*:*:*:* | 11.2.1 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.2.0:*:*:*:*:*:*:* | 11.2.0 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.16:h2:*:*:*:*:*:* | 11.1.16 h2 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.16:h1:*:*:*:*:*:* | 11.1.16 h1 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.16:-:*:*:*:*:*:* | 11.1.16 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.15:*:*:*:*:*:*:* | 11.1.15 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.14:*:*:*:*:*:*:* | 11.1.14 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.13:*:*:*:*:*:*:* | 11.1.13 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.12:*:*:*:*:*:*:* | 11.1.12 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.11:*:*:*:*:*:*:* | 11.1.11 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.10:*:*:*:*:*:*:* | 11.1.10 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.9:*:*:*:*:*:*:* | 11.1.9 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.8:*:*:*:*:*:*:* | 11.1.8 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.6:*:*:*:*:*:*:* | 11.1.6 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.5:*:*:*:*:*:*:* | 11.1.5 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.4:*:*:*:*:*:*:* | 11.1.4 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.3:*:*:*:*:*:*:* | 11.1.3 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.2:*:*:*:*:*:*:* | 11.1.2 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.1:*:*:*:*:*:*:* | 11.1.1 | — | Palo Alto Networks |
| cpe:2.3:o:palo_alto_networks:pan-os:11.1.0:*:*:*:*:*:*:* | 11.1.0 | — | Palo Alto Networks |
- cpe:2.3:o:palo_alto_networks:pan-os:12.1.2:*:*:*:*:*:*:* Versions 12.1.2 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.15:*:*:*:*:*:*:* Versions 11.2.15 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.13:*:*:*:*:*:*:* Versions 11.2.13 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.12:*:*:*:*:*:*:* Versions 11.2.12 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.11:*:*:*:*:*:*:* Versions 11.2.11 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.10:*:*:*:*:*:*:* Versions 11.2.10 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.9:*:*:*:*:*:*:* Versions 11.2.9 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.8:*:*:*:*:*:*:* Versions 11.2.8 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.7:*:*:*:*:*:*:* Versions 11.2.7 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.6:*:*:*:*:*:*:* Versions 11.2.6 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.5:*:*:*:*:*:*:* Versions 11.2.5 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.4:*:*:*:*:*:*:* Versions 11.2.4 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.3:*:*:*:*:*:*:* Versions 11.2.3 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.2:*:*:*:*:*:*:* Versions 11.2.2 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.1:*:*:*:*:*:*:* Versions 11.2.1 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.2.0:*:*:*:*:*:*:* Versions 11.2.0 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.16:h2:*:*:*:*:*:* Versions 11.1.16 h2 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.16:h1:*:*:*:*:*:* Versions 11.1.16 h1 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.16:-:*:*:*:*:*:* Versions 11.1.16 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.15:*:*:*:*:*:*:* Versions 11.1.15 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.14:*:*:*:*:*:*:* Versions 11.1.14 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.13:*:*:*:*:*:*:* Versions 11.1.13 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.12:*:*:*:*:*:*:* Versions 11.1.12 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.11:*:*:*:*:*:*:* Versions 11.1.11 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.10:*:*:*:*:*:*:* Versions 11.1.10 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.9:*:*:*:*:*:*:* Versions 11.1.9 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.8:*:*:*:*:*:*:* Versions 11.1.8 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.6:*:*:*:*:*:*:* Versions 11.1.6 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.5:*:*:*:*:*:*:* Versions 11.1.5 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.4:*:*:*:*:*:*:* Versions 11.1.4 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.3:*:*:*:*:*:*:* Versions 11.1.3 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.2:*:*:*:*:*:*:* Versions 11.1.2 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.1:*:*:*:*:*:*:* Versions 11.1.1 — ·Palo Alto Networks
- cpe:2.3:o:palo_alto_networks:pan-os:11.1.0:*:*:*:*:*:*:* Versions 11.1.0 — ·Palo Alto Networks
Remediation
Upgrade PAN-OS to 11.1.16-h3, 11.2.16, 12.1.10-h2 or 12.2.4. Cloud NGFW and Prisma Access list a fix in all versions.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA Cloud NGFW (Palo Alto Networks) Fixed in All
- Fix · CNA PAN-OS (Palo Alto Networks) Fixed in 12.2.4, 12.1.10-h2, 11.2.16, 11.1.16-h3
- Fix · CNA Prisma Access (Palo Alto Networks) Fixed in All
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Palo Alto Networks Prisma Access 12.1.7-h8
4 records Highest priority Priority LOW 4 LOW
Other records, highest priority first
- TI-2026-74480 Command injection in PAN-OS lets admins run commands as rootPriority LOW 31
- TI-2026-74478 Buffer overflow in PAN-OS log processing causes Panorama DoSPriority LOW 21
- TI-2026-74477 PAN-OS denial of service flaw exposed to read-only administratorsPriority LOW 7
- Release ·
Palo Alto Networks PAN-OS 11.1.16-h3, 11.2.16 and 2 more versions
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2026-74478 Buffer overflow in PAN-OS log processing causes Panorama DoSPriority LOW 21
- TI-2026-74477 PAN-OS denial of service flaw exposed to read-only administratorsPriority LOW 7
Timeline
- 2026-10-15 Threatist record created from CVE-2026-0316
- 2026-10-16 CISA SSVC decision points changed
References
Advisory 1
More Palo Alto Networks vulnerabilities
- TI-2024-08782 Expedition: Unauthenticated OS Command Injection Vulnerability Leads to Firewall Credential Disclosure KEVCVSS 4.0CRITICAL 9.9
- TI-2024-03172 PAN-OS: Arbitrary File Creation Leads to OS Command Injection Vulnerability in GlobalProtect KEVCVSS 3.1CRITICAL 10.0
- TI-2020-01936 PAN-OS: Authentication Bypass in SAML Authentication KEVCVSS 3.1CRITICAL 10.0
- TI-2017-11675 Palo Alto Networks PAN-OS before 6.1.19, 7.0.x before 7.0.19, 7.1.x before 7.1.14, and… KEVCVSS 3.1CRITICAL 9.8
- TI-2026-00239 PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication Portal KEVCVSS 4.0CRITICAL 9.3
- TI-2024-08784 Expedition: SQL Injection Leads to Firewall Admin Credential Disclosure KEVCVSS 4.0CRITICAL 9.2
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences