AI Builder 2.4.1 - 2.7.7 - Contributor+ Stored XSS via Post JavaScript
Priority LOW 32CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The AI Builder WordPress plugin before 2.7.8 does not sanitise custom JavaScript saved against a post before echoing it inside a script tag on the front end, allowing users with contributor level access and above to store arbitrary JavaScript that will execute in the browser of anyone who views the post, including the editor or administrator who reviews it.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00431 37th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed AI Builder (Unknown): 2.7.8
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 | AI Builder | 2.4.1 to before 2.7.8 | 2.7.8 | Patch available | CNA |
- AI Builder VendorUnknown Affected 2.4.1 to before 2.7.8 Fixed in 2.7.8 Patch available CNA
Remediation
- Fix · CNA AI Builder (Unknown) Fixed in 2.7.8
Timeline
- 2026-10-02 Threatist record created from CVE-2026-85678
- 2026-10-03 Alias added: GHSA-r7gc-58c8-xh3j
References
Sources
- CVE-2026-85678 · CVE Program
- CVE-2026-85678 · NVD
- FIRST EPSS
- GHSA-r7gc-58c8-xh3j · 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