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CVE-2021-21043

Reflected Cross-site Scripting (XSS) on version-compare and page-compare tools

CVSS 6.1 MEDIUMEPSS 3.3%CWE-79
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 6.1EPSS 3.3%KEV nãoPoC Nuclei Metasploit Patch
Lifecycle
02 Feb 2021Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
ACS Commons version 4.9.2 (and earlier) suffers from a Reflected Cross-site Scripting (XSS) vulnerability in version-compare and page-compare due to invalid JCR characters that are not handled correctly. An attacker could potentially exploit this vulnerability to inject malicious JavaScript content into vulnerable form fields and execute it within the context of the victim's browser. Exploitation of this issue requires user interaction in order to be successful.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N