CVE-2026-24351
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
2Description
PluXml CMS is vulnerable to Stored XSS in Static Pages editing functionality. Attacker with editing privileges can inject arbitrary HTML and JS into website, which will be rendered/executed when visiting edited page. The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only versions 5.8.21 and 5.9.0-rc7 were tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.
Analysis
PluXml CMS versions 5.8.21 and 5.9.0-rc7 contain a stored cross-site scripting vulnerability in the static pages editor that allows authenticated users with editing privileges to inject malicious JavaScript and HTML into pages. When other users visit the compromised pages, the injected code executes in their browsers, potentially enabling session hijacking, credential theft, or malware distribution. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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