How severe is CVE-2025-65840?

CVE-2025-65840 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-65840 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-65840?

CVE-2025-65840 affects Publiccms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-65840?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-65840 have an EU (EUVD) identifier?

Yes. CVE-2025-65840 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200083.

When was CVE-2025-65840 published?

CVE-2025-65840 was published on 2025-12-01 and last updated on 2026-06-17.

CVE-2025-65840

CVE-2025-65840 is a high-severity vulnerability in Publiccms with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-200083
Weakness: CWE-352
Affected product: Publiccms
Published: 2025-12-01
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2025-65840?: PublicCMS V5.202506.b is vulnerable to Cross Site Request Forgery (CSRF) in the CkEditorAdminController.
How severe is CVE-2025-65840?: CVE-2025-65840 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-65840 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-65840?: CVE-2025-65840 affects Publiccms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-65840?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-65840 have an EU (EUVD) identifier?: Yes. CVE-2025-65840 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200083.
When was CVE-2025-65840 published?: CVE-2025-65840 was published on 2025-12-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:publiccms:publiccms:5.202506.b:*:*:*:*:*:*:*

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