CVE-2025-15438: PluXml Media Management medias.php __destruct deserialization

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-02 · updated 2026-10-14
Weakness: CWE-20

Description

A vulnerability was determined in PluXml up to 5.8.22. Affected is the function FileCookieJar::__destruct of the file core/admin/medias.php of the component Media Management Module. Executing a manipulation of the argument File can lead to deserialization. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was informed early about this issue and announced that "[w]e fix this issue in the next version 5.8.23". A patch for it is ready.

Affected products

PluXml CMS: through 5.8.22

References

https://note-hxlab.wetolink.com/share/9SJUnaDcJuqz
https://vuldb.com/?ctiid.339383
https://vuldb.com/?id.339383
https://vuldb.com/?submit.713989

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