Vulnerability · CVE-2026-1779
The User Registration & Membership plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 5.1.2.
Published Feb 26, 2026 · catalog updated Jun 17, 2026 · The User Registration &
Check if you run it
No confirmed exploitation is on record for CVE-2026-1779. EPSS is 0.37%. Act only if a listed version of The User Registration & is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (The User Registration &).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High8.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.37%
- Remediation
- Version ranges on file
- Affected products
- stated named in the record
The User Registration & Membership plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 5.1.2. This is due to incorrect authentication in the 'register_member' function. This makes it possible for unauthenticated attackers to log in a newly registered user on the site who has the 'urm_user_just_created' user meta set.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- stated named in the record<= 5.1.2
How to fix CVE-2026-1779
Recommended remediation
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-1779. EPSS is 0.37%. Act only if a listed version of The User Registration & is installed.
Which versions are affected?
Compare what you have installed with named in the record <= 5.1.2. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-288. EPSS 0.37%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Feb 26, 2026 · NIST NVD
Detected
The User Registration & Membership plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 5.1.2. This is due to incorrect authentication in the 'register_member' function. This makes it possible for unauthenticated attackers to log in a newly registered user on the site who has the 'urm_user_just_created' user meta set.
Jun 17, 2026 · NIST NVD
Updated
The User Registration & Membership plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 5.1.2. This is due to incorrect authentication in the 'register_member' function. This makes it possible for unauthenticated attackers to log in a newly registered user on the site who has the 'urm_user_just_created' user meta set.
Sources
- CVE.orgVulnerability recordCVE-2026-1779
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-1779
30-day exploitation probability 0.4%
first.org - NIST NVDVulnerability recordCVE-2026-1779
The User Registration & Membership plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 5.1.2. This is due to incorrect authentication in the 'register_member' function. This makes it possible for unauthenticated attackers to log in a newl
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.