WPBot < 8.5.7 - Unauthenticated AI Provider API Abuse via Multiple AJAX Actions
Priority LOW 30CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.
Summary
The WPBot WordPress plugin before 8.5.7 does not perform any authorization or nonce check on several AJAX actions that relay prompts to its configured AI providers, allowing unauthenticated attackers to make those third-party API calls, and consume the associated cost, using the site's own configured API keys.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00323 25th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed WPBot (Unknown): 8.5.7
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 |
|---|---|---|---|---|---|
| Unknown | WPBot | before 8.5.7 | 8.5.7 | Patch available | CNA |
- WPBot VendorUnknown Affected before 8.5.7 Fixed in 8.5.7 Patch available CNA
Remediation
- Fix · CNA WPBot (Unknown) Fixed in 8.5.7
Timeline
- 2026-10-02 Threatist record created from CVE-2026-87918
- 2026-10-03 Alias added: GHSA-54cr-fg97-fjjx
References
Sources
- CVE-2026-87918 · CVE Program
- CVE-2026-87918 · NVD
- FIRST EPSS
- GHSA-54cr-fg97-fjjx · 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