What is CVE-2025-65838?

CVE-2025-65838 is a high-severity vulnerability in Publiccms, classified under Path Traversal. CVSS score: 7.5/10. Published 2025-12-01.

How severe is CVE-2025-65838?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Publiccms

CVE-2025-65838

PublicCMS V5.202506.b is vulnerable to path traversal via the doUploadSitefile method.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2025-12-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Publiccms — versions 5.202506.b

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/sanluan/PublicCMS (Product)
github.com/Hyperkopite/PublicCMS_Vulns/blob/main/RCE_1.md (Exploit, Third Party Advisory)
github.com/sanluan/PublicCMS/issues/101 (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2025-65838?: CVE-2025-65838 is a high-severity vulnerability in Publiccms, classified under Path Traversal. CVSS score: 7.5/10. Published 2025-12-01.
How severe is CVE-2025-65838?: High severity. CVSS v3 base score is 7.5 out of 10.