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TI-2026-55330 Aliases CVE-2026-79996GHSA-wcg9-8v95-6r4q

User Registration & Membership < 5.2.6 - Authenticated Privilege Escalation via Login Settings

Priority LOW 34CWE-269Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
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-269.

Summary

The User Registration & Membership WordPress plugin before 5.2.6 does not perform a capability check when saving its login settings, allowing authenticated users who have been granted a User Registration & Membership WordPress plugin before 5.2.6 management capability but not full administrator access to change arbitrary site options and escalate their privileges to administrator.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00462 40th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed User Registration & Membership (Unknown): 5.2.6

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
UnknownUser Registration & Membershipbefore 5.2.65.2.6Patch availableCNA
  • User Registration & Membership VendorUnknown Affected before 5.2.6 Fixed in 5.2.6 Patch available CNA

Remediation

  • Fix · CNA User Registration & Membership (Unknown) Fixed in 5.2.6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-79996
  2. 2026-10-03 Alias added: GHSA-wcg9-8v95-6r4q

References

Exploit 1

Sources

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