CVE-2025-51529: cookies and Access Control Flaw

Description

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.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-284 CWE-284

Affected Products

Vendor	Product	Versions
followmedarling	cookies_and_content_security_policy	< 2.29

References

Exploits

https://github.com/piotrmaciejbednarski/CVE-2025-51529

Other References

http://cookies.com http://johan.com https://gist.github.com/piotrmaciejbednarski/f738145c0ab24a110649dc16907e395b

Frequently Asked Questions

What is CVE-2025-51529? +

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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-51529? +

CVE-2025-51529 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-51529? +

CVE-2025-51529 affects products from followmedarling, specifically: cookies_and_content_security_policy. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-51529? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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