CVE-2021-25101
Published: 21 February 2022
Summary
CVE-2021-25101 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Anti-Malware Security And Brute-Force Firewall Project Anti-Malware Security And Brute-Force Firewall. 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-2021-12013
Vulnerability details
The Anti-Malware Security and Brute-Force Firewall WordPress plugin before 4.20.94 does not sanitise and escape the POST data before outputting it back in attributes of an admin page, leading to a Reflected Cross-Site scripting. Due to the presence of specific…
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parameter value, available to admin users, this can only be exploited by an admin against another admin user.
- 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.