Improper authentication in Revive Adserver
Priority LOW 9CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-287.
Summary
The XML‑RPC API addUser method has a validation bypass introduced in the fix for CVE‑2025‑55129. As a result, API users could create usernames that enabled impersonation or stored XSS attacks. Proper validation has been added where it was missing.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00412 35th 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
- None
- Automatable
- Yes
- 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 |
|---|---|---|---|---|---|
| Revive | Adserver | up to 6.0.6 | — | No fix listed | CNA |
- Adserver VendorRevive Affected up to 6.0.6 Fixed in — No fix listed CNA
CPE names Threatist (inferred) · 1
Inferred from how NVD named this product before; not given by a source.
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:* | — | — | Revive Adserver |
- cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:* Versions — — ·Revive Adserver
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-44961
- 2026-10-03 Alias added: GHSA-9wv7-mm8f-m6cx
References
More Revive vulnerabilities
- TI-2025-31114 Improper access control in Revive Adserver CVSS 3.0HIGH 8.8
- TI-2025-34810 Cross-site scripting in Revive Adserver CVSS 3.0MEDIUM 6.5
- TI-2022-04278 Revive Old Posts – Social Media Auto Post and Scheduling Plugin < 9.0.11 - PHP Object Injection CVSS 3.1HIGH 7.2
- TI-2023-11756 The login page of Revive Adserver v5.4.1 is vulnerable to brute force attacks. CVSS 3.1HIGH 7.5
- TI-2025-34812 Uncontrolled resource consumption in Revive Adserver CVSS 3.0MEDIUM 6.5
- TI-2025-32749 Missing authorization in Revive Adserver CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-44961 · CVE Program
- CVE-2026-44961 · NVD
- FIRST EPSS
- GHSA-9wv7-mm8f-m6cx · 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