CVE-2024-2123
CVE-2024-2123 is a high-severity vulnerability in Ultimatemember Ultimate Member with a CVSS 3.x base score of 7.2. Its EPSS exploit-prediction score of 27% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- EPSS exploit prediction: 27% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-27087
- Weakness: CWE-79
- Affected product: Ultimatemember Ultimate Member
- Published:
- Last modified:
Description
The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the several parameters in all versions up to, and including, 2.8.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Frequently asked questions
- What is CVE-2024-2123?
- The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the several parameters in all versions up to, and including, 2.8.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
- How severe is CVE-2024-2123?
- CVE-2024-2123 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2024-2123 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 27% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-2123?
- CVE-2024-2123 affects Ultimatemember Ultimate Member. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-2123?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-2123 have an EU (EUVD) identifier?
- Yes. CVE-2024-2123 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-27087.
- When was CVE-2024-2123 published?
- CVE-2024-2123 was published on 2024-03-13 and last updated on 2026-06-17.
References
- https://plugins.trac.wordpress.org/browser/ultimate-member/trunk/templates/members-grid.php#L44
- https://plugins.trac.wordpress.org/browser/ultimate-member/trunk/templates/members-grid.php#L53
- https://plugins.trac.wordpress.org/browser/ultimate-member/trunk/templates/members-grid.php#L65
- https://plugins.trac.wordpress.org/browser/ultimate-member/trunk/templates/members-list.php#L39
- https://plugins.trac.wordpress.org/browser/ultimate-member/trunk/templates/members-list.php#L53
- https://plugins.trac.wordpress.org/changeset/3046611/ultimate-member#file746
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c8bc1653-8fee-468a-bb6d-f24959846ee5?source=cve
Affected products (1)
- cpe:2.3:a:ultimatemember:ultimate_member:*:*:*:*:*:wordpress:*:*
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