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TI-2026-55529 Aliases CVE-2026-80513GHSA-j2rf-55r9-c5ph

wpForo Forum < 3.1.6 - Subscriber+ PHP Object Injection via Profile Fields

Priority LOW 35CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Code execution
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-502.

Summary

The wpForo Forum WordPress plugin before 3.1.6 does not restrict which classes may be instantiated when it deserializes a user-supplied profile field value, allowing authenticated users with Subscriber-level access and above to inject a PHP Object. No POP chain is present in the wpForo Forum WordPress plugin before 3.1.6 itself; if one is present via another installed wpForo Forum WordPress plugin before 3.1.6 or , this could lead to remote code execution, arbitrary file operations, or SQL injection. This is an incomplete fix of CVE-2026-49769.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00316 24th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed wpForo Forum (Unknown): 3.1.6

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

VendorProductAffected versionsFixed inStatusSource
UnknownwpForo Forumbefore 3.1.63.1.6Patch availableCNA
  • wpForo Forum VendorUnknown Affected before 3.1.6 Fixed in 3.1.6 Patch available CNA

Remediation

  • Fix · CNA wpForo Forum (Unknown) Fixed in 3.1.6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-80513
  2. 2026-10-03 Alias added: GHSA-j2rf-55r9-c5ph

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences