Invisible Anti-Spam & CAPTCHA < 5.1.1 - Subscriber+ Arbitrary Form Submission Deletion
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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-862.
Summary
The Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms WordPress plugin before 5.1.1 does not check the user's capabilities in its message deletion AJAX action, and only tests that a nonce parameter is present rather than validating it, allowing any authenticated user, such as a subscriber, to permanently delete every form submission the Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms WordPress plugin before 5.1.1 has stored.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 | Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms | 2.0.5 to before 5.1.1 | 5.1.1 | Patch available | CNA |
- Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms VendorUnknown Affected 2.0.5 to before 5.1.1 Fixed in 5.1.1 Patch available CNA
Remediation
- Fix · CNA Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms (Unknown) Fixed in 5.1.1
Timeline
- 2026-10-02 Threatist record created from CVE-2026-91010
- 2026-10-03 Alias added: GHSA-rfgp-h9r2-p373
References
Sources
- CVE-2026-91010 · CVE Program
- CVE-2026-91010 · NVD
- FIRST EPSS
- GHSA-rfgp-h9r2-p373 · 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