Generate PDF using Contact Form 7 < 4.2.2 - Unauthenticated Server-Side Request Forgery via Array-Valued Form Field
Priority LOW 32CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- 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-918 and the CVSS impact.
Summary
The Generate PDF using Contact Form 7 WordPress plugin before 4.2.2 does not restrict the destination of the image fetch its PDF renderer performs on submitted form content, allowing unauthenticated users to make the server request internal resources and read the response back through the generated PDF.
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 Generate PDF using Contact Form 7 (Unknown): 4.2.2
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 | Generate PDF using Contact Form 7 | before 4.2.2 | 4.2.2 | Patch available | CNA |
- Generate PDF using Contact Form 7 VendorUnknown Affected before 4.2.2 Fixed in 4.2.2 Patch available CNA
Remediation
- Fix · CNA Generate PDF using Contact Form 7 (Unknown) Fixed in 4.2.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-90984
- 2026-10-03 Alias added: GHSA-c3g6-9rgm-rg4m
References
Sources
- CVE-2026-90984 · CVE Program
- CVE-2026-90984 · NVD
- FIRST EPSS
- GHSA-c3g6-9rgm-rg4m · 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