Contact Form 7 Captcha 0.1.7 - 0.1.8 - Unauthenticated Arbitrary Shortcode Execution via Form Field Repopulation
Priority LOW 35CWE-74Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
The Contact Form 7 Captcha WordPress plugin before 0.1.9 runs the shortcode parser over the whole rendered Contact Form 7 form, including the values a visitor submitted, allowing unauthenticated users to execute arbitrary shortcodes registered on the site.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00306 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Contact Form 7 Captcha (Unknown): 0.1.9
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 | Contact Form 7 Captcha | 0.1.7 to before 0.1.9 | 0.1.9 | Patch available | CNA |
- Contact Form 7 Captcha VendorUnknown Affected 0.1.7 to before 0.1.9 Fixed in 0.1.9 Patch available CNA
Remediation
- Fix · CNA Contact Form 7 Captcha (Unknown) Fixed in 0.1.9
Timeline
- 2026-10-02 Threatist record created from CVE-2026-85117
- 2026-10-03 Alias added: GHSA-f9wj-4mrj-xggq
References
Sources
- CVE-2026-85117 · CVE Program
- CVE-2026-85117 · NVD
- FIRST EPSS
- GHSA-f9wj-4mrj-xggq · 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