CSRF in Mathieuhays Simple Documentation

CVE-2025-26578

Cross-Site Request Forgery (CSRF) vulnerability in mathieuhays Simple Documentation client-documentation allows Stored XSS.This issue affects Simple Documentation: from n/a through <= 1.2.8.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.001 (3.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.2% 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-2025-26578: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-26578?
CVE-2025-26578 is a high-severity vulnerability in Mathieuhays Simple Documentation, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.1/10. Published 2025-02-13.
How severe is CVE-2025-26578?
High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2025-26578 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.