What is CVE-2025-65837?

CVE-2025-65837 is a medium-severity vulnerability in Publiccms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-12-22.

How severe is CVE-2025-65837?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Publiccms

CVE-2025-65837

PublicCMS V5.202506.b is vulnerable to Cross Site Scripting (XSS) in the Content Search module.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2025-12-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (5.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Publiccms — versions 5.202506.b

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/Hyperkopite/PublicCMS_Vulns/blob/main/XSS_1.md (Exploit, Third Party Advisory)
github.com/sanluan/PublicCMS/issues/100 (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2025-65837?: CVE-2025-65837 is a medium-severity vulnerability in Publiccms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-12-22.
How severe is CVE-2025-65837?: Medium severity. CVSS v3 base score is 5.4 out of 10.