Security readout for executives and security teams
Plain-English summary
This CVE describes an unauthenticated WordPress plugin endpoint that can repeatedly write consent data to the database. On exposed sites, that could consume database resources and degrade service. The source bundle does not identify a confirmed patch, vendor advisory, or active exploitation.
Executive priority
Treat this as a moderate operational risk for affected WordPress properties. Prioritize inventory and vendor guidance review, especially for high-traffic or resource-constrained sites where database exhaustion could affect availability.
Technical view
CVE-2025-51529 is CWE-284 incorrect access control in the jonkastonka Cookies and Content Security Policy plugin through 2.29. The affected unauthenticated AJAX endpoint is wp_ajax_nopriv_cacsp_insert_consent_data. The CVE describes unlimited database writes causing denial of service, while the provided CVSS vector lists C:L and A:N, so impact evidence is somewhat inconsistent.
Likely exposure
Likely exposure is public WordPress sites running the named plugin through version 2.29. The endpoint name indicates unauthenticated access, but the bundle provides no CPEs, installation counts, or hosting-specific exposure details.
Exploitation context
The source bundle includes public researcher references, but KEV is false and no cited source claims active exploitation. The issue appears remotely reachable with no privileges or user interaction based on the CVSS vector and endpoint naming.
Researcher notes
Evidence is limited to the CVE description and linked researcher materials in the source bundle. Product metadata is incomplete, and the CVSS vector does not match the described availability impact. Further confirmation from vendor or NVD enrichment would improve confidence.
Mitigation direction
- Inventory WordPress sites for this plugin and versions through 2.29.
- Check vendor or plugin guidance for a patched release or official mitigation.
- Disable or remove the plugin where acceptable until authoritative guidance is available.
- Consider tested rate limiting for the affected unauthenticated AJAX endpoint.
- Monitor database growth and unusual consent-write activity.
Validation and detection
- Confirm whether the plugin is installed and identify its exact version.
- Review web logs for requests to wp_ajax_nopriv_cacsp_insert_consent_data.
- Check database tables for abnormal consent-record growth.
- Verify whether official vendor guidance or an update supersedes version 2.29.
- Do not run destructive proof-of-concept traffic on production systems.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2025-51529 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://gist.github.com/piotrmaciejbednarski/f738145c0ab24a110649dc16907e395bCVE reference, mitre
- https://github.com/piotrmaciejbednarski/CVE-2025-51529CVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.