Stored XSS via missing XSS safety check in Admin2 Pages API partial validation
Priority MEDIUM 56CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Grav 2.0.0-rc.9 with Admin2 2.0.0-rc.14 contains a stored cross-site scripting (XSS) vulnerability in the Admin2 Pages API save flow.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00379 32nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-11982
- 2026-10-03 Alias added: GHSA-pfvx-ccc8-f3hr
References
More Grav vulnerabilities
- TI-2026-40880 Grav - XML External Entity Injection via SVG Upload CVSS 4.0HIGH 7.1
- TI-2026-42219 Grav - Arbitrary File Upload via Avatar Endpoint CVSS 4.0MEDIUM 5.3
- TI-2026-42222 Grav - Stored CSS Injection via Markdown Image resize() Action CVSS 4.0MEDIUM 4.8
- TI-2026-40879 Grav - Multiple Remote Code Execution Vulnerabilities via Unsafe Unserialize and Command Injection CVSS 4.0CRITICAL 9.3
- TI-2026-06424 Grav CMS Cache Value FileCache.php doGet deserialization CVSS 4.0LOW 2.3
Sources
- CVE-2026-11982 · CVE Program
- CVE-2026-11982 · NVD
- FIRST EPSS
- GHSA-pfvx-ccc8-f3hr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences