SSRF in Quttera Threatsign – Web Malware Scanner For WordPress

CVE-2025-8013

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-8013: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-8013?
CVE-2025-8013 is a low-severity vulnerability in Quttera Threatsign – Web Malware Scanner For WordPress, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.8/10. Published 2025-08-15.
How severe is CVE-2025-8013?
Low severity. CVSS v3 base score is 3.8 out of 10.