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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (38.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Pluxml
- Pluxml — versions 5.8.0, 5.8.1, 5.8.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- note-hxlab.wetolink.com/share/9SJUnaDcJuqz (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.