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Description

PluXml CMS allows a user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behaviour enables an attacker to fix a session ID for a victim and later hijack the authenticated session. 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.

PUBLISHED Reserved 2026-01-22 | Published 2026-02-27 | Updated 2026-02-27 | Assigner CERT-PL




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-384 Session Fixation

Product status

Default status
unknown

5.9.0-rc7 (custom)
affected

5.8.21 (semver)
affected

Credits

Arkadiusz Marta finder

References

pluxml.org/ product

cert.pl/posts/2026/03/CVE-2026-24350 third-party-advisory

cve.org (CVE-2026-24352)

nvd.nist.gov (CVE-2026-24352)

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