All in One SEO < 4.9.9 – Contributor+ Incorrect Authorization via AI Integration
Priority MEDIUM 47CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.
Summary
The All in One SEO WordPress plugin before 4.9.9 does not correctly restrict access to some of its AI integration REST API endpoints, allowing users with low-level privileges such as Contributors to overwrite or reset the site-wide AI integration state.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00281 20th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed All in One SEO (Unknown): 4.9.9
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | All in One SEO | before 4.9.9 | 4.9.9 | Patch available | CNA |
- All in One SEO VendorUnknown Affected before 4.9.9 Fixed in 4.9.9 Patch available CNA
Remediation
- Fix · CNA All in One SEO (Unknown) Fixed in 4.9.9
Timeline
- 2026-10-02 Threatist record created from CVE-2026-10755
- 2026-10-03 Alias added: GHSA-8hj6-5c8v-39ff
References
Sources
- CVE-2026-10755 · CVE Program
- CVE-2026-10755 · NVD
- FIRST EPSS
- GHSA-8hj6-5c8v-39ff · 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