PublicCMS V5.202506.b is vulnerable to Cross Site Request Forgery (CSRF) in the CkEditorAdminController.

published 2025-12-01 11mo ago modified 2026-10-26 14d ago also EUVD-2025-200083

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits: 0; none known

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CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 11mo ago (2025-12-02)

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/Hyperkopite/PublicCMS_Vulns/blob/main/CSRF_1.md referenced PoC, tagged "exploit" by a source, unverified
github.com https://github.com/sanluan/PublicCMS/issues/102 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

Weakness

CWE-352 Cross-Site Request Forgery

References

github.com /Hyperkopite/PublicCMS_Vulns/blob/main/CSRF_1.md
exploit, third-party-advisory
github.com /sanluan/PublicCMS/issues/102
exploit, issue-tracking

Sources

CVE List CVE-2025-65840
NVD CVE-2025-65840

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