CVE-2021-24814 - CVE House
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Status published Critical CVE-2021-24814

WordPress GDPR & CCPA < 1.9.26 - Authenticated Reflected Cross-Site Scripting

Vulnerability Description

The check_privacy_settings AJAX action of the WordPress GDPR WordPress plugin before 1.9.26, available to both unauthenticated and authenticated users, responds with JSON data without an "application/json" content-type. Since an HTML payload isn't properly escaped, it may be interpreted by a web browser led to this endpoint. Javascript code may be executed on a victim's browser. If the victim is an administrator with a valid session cookie, full control of the WordPress instance may be taken (AJAX calls and iframe manipulation are possible because the vulnerable endpoint is on the same domain as the admin panel - there is no same-origin restriction).

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ace Candelario (@0xspade)
  • Victor Paynat-Sautivet (3DS Outscale SOC)

References

More from welaunch

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CVE-2024-11069
WordPress GDPR <= 2.0.2 - Missing Authorization to Unauthenticated Arbitrary User Deletion
Medium 6.5
CVE-2024-10388
WordPress GDPR <= 2.0.2 - Unauthenticated Stored Cross-Site Scripting
High 7.2

Affected Vendor

Affected Software

wordpress gdpr\&ccpa
Vulnerable Versions:
0

Timeline

Official Publish: February 1st, 2022
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.