What is the CVSS score of CVE-2025-51529?

CVE-2025-51529 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.1%.

Which versions of Cookies And Content Security Policy are affected by CVE-2025-51529?

CVE-2025-51529 presents moderate security risk, a improper access control vulnerability rated CVSS 5.3. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2025-51529?

Yes, a public proof-of-concept exploit is available for CVE-2025-51529. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-51529?

Within 30 days: Identify affected systems running the AJAX endpoint functionality in jonkastonka Cookies and C and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Cookies And Content Security Policy CVE-2025-51529

MEDIUM

Improper Access Control (CWE-284)

2025-08-19 cve@mitre.org

Authentication Bypass Denial Of Service Cookies And Content Security Policy Followmedarling

5.3

CVSS 3.1 · Vendor: mitre

Severity by source

Vendor (mitre) PRIMARY

5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:07 vuln.today

PoC Detected

Oct 21, 2025 - 14:25 vuln.today

Public exploit code

CVE Published

Aug 19, 2025 - 15:15 nvd

MEDIUM 5.3

DescriptionCVE.org

Incorrect Access Control in the AJAX endpoint functionality in jonkastonka Cookies and Content Security Policy plugin through version 2.29 allows remote attackers to cause a denial of service (database server resource exhaustion) via unlimited database write operations to the wp_ajax_nopriv_cacsp_insert_consent_data endpoint.

AnalysisAI

Incorrect Access Control in the AJAX endpoint functionality in jonkastonka Cookies and Content Security Policy plugin through version 2.29 allows remote attackers to cause a denial of service. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. Incorrect Access Control in the AJAX endpoint functionality in jonkastonka Cookies and Content Security Policy plugin through version 2.29 allows remote attackers to cause a denial of service (database server resource exhaustion) via unlimited database write operations to the wp_ajax_nopriv_cacsp_insert_consent_data endpoint. Affected products include: Followmedarling Cookies And Content Security Policy. Version information: version 2.29.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.