CVE-2021-24899
Published: 29 November 2021
Summary
CVE-2021-24899 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Media-Tags Project Media-Tags. Its CVSS base score is 4.8 (Medium).
Operationally, ranked at the 43.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-11811
Vulnerability details
The Media-Tags WordPress plugin through 3.2.0.2 does not sanitise and escape any of its Labels settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_htnl capability is disallowed.
- 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.