CVE-2021-39329
Published: 19 October 2021
Summary
CVE-2021-39329 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Ultimatemember Jobboardwp. Its CVSS base score is 5.5 (Medium).
Operationally, ranked in the top 22.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-25690
Vulnerability details
The JobBoardWP WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/includes/admin/class-metabox.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up…
more
to and including 1.0.7. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.