Deserialization in Pluxml

CVE-2025-15438

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.004 (31.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

  • Pluxml
  • N/a Pluxml — versions 5.8.0, 5.8.1, 5.8.2

Weakness classification (CWE)

References

  • cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2025-15438?
CVE-2025-15438 is a medium-severity vulnerability in Pluxml, classified under Improper Input Validation. CVSS score: 4.7/10. Published 2026-01-02.
How severe is CVE-2025-15438?
Medium severity. CVSS v3 base score is 4.7 out of 10.