What is CVE-2020-25986?

CVE-2020-25986 is a medium-severity vulnerability in Monocms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2020-10-06.

How severe is CVE-2020-25986?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2020-25986 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CSRF in Monocms

CVE-2020-25986

A Cross Site Request Forgery (CSRF) vulnerability in MonoCMS Blog 1.0 allows attackers to change the password of a user.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2020-10-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.2th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Monocms — versions 1.0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

Public proof-of-concept exploits

References

monocms.com/download (Product, Vendor Advisory)
packetstormsecurity.com/files/159430/MonoCMS-Blog-1.0-File-Deletion-CSRF-Hardco… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2020-25986?: CVE-2020-25986 is a medium-severity vulnerability in Monocms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2020-10-06.
How severe is CVE-2020-25986?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-25986 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.