CVE-2025-53344: 
WordPress vulnerability analysis and mitigation

CVE-2025-53344 is a Cross-Site Request Forgery (CSRF) vulnerability in ThimPress Thim Core, a WordPress plugin. It affects all versions of Thim Core through 2.3.3 and allows unauthenticated attackers to force higher-privileged users to execute unwanted actions. The vulnerability was reported by Ananda Dhakal (Patchstack) on November 13, 2024, and published by Patchstack on August 14, 2025, with the CVE record created on January 5, 2026. It carries a CVSS v3.1 base score of 4.3 (Medium), assigned by Patchstack (Patchstack).

The vulnerability is classified as CWE-352 (Cross-Site Request Forgery), meaning the plugin fails to properly validate that state-changing requests originate from legitimate, authenticated user sessions. An attacker can craft a malicious web page or link that, when visited by an authenticated WordPress user with sufficient privileges, triggers unauthorized actions within the Thim Core plugin on their behalf. Exploitation requires no privileges on the part of the attacker but does require user interaction — specifically, a privileged user must be tricked into visiting a crafted page or clicking a malicious link (Patchstack).

Successful exploitation allows an attacker to force higher-privileged WordPress users (such as administrators or editors) to perform unintended actions within the Thim Core plugin, resulting in a low integrity impact with no confidentiality or availability impact. The scope is limited to the affected WordPress installation, but depending on the actions exposed by the plugin, this could include unauthorized content modification or configuration changes. No data exfiltration or service disruption is directly enabled by this vulnerability (Patchstack).

No public proof-of-concept exploit code or in-the-wild exploitation has been reported for CVE-2025-53344. The vulnerability is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog. The EPSS score is approximately 0.014% (0.000140), indicating a very low probability of exploitation in the near term. Patchstack notes that vulnerabilities of this type are sometimes used in mass-exploit campaigns targeting WordPress plugins at scale, regardless of site popularity (Patchstack).

1. Reconnaissance: Identify WordPress sites running the Thim Core plugin (version ≤ 2.3.3) using tools like WPScan or by inspecting publicly accessible plugin directories.
2. Identify target action: Determine which state-changing actions within the Thim Core plugin lack CSRF token validation (e.g., settings changes, content modifications).
3. Craft malicious request: Create an HTML page or form that automatically submits a forged HTTP request to the target WordPress site's vulnerable Thim Core endpoint, mimicking a legitimate user action.
4. Deliver to victim: Trick a privileged WordPress user (e.g., administrator) into visiting the malicious page via phishing email, social engineering, or a compromised third-party site.
5. Action executed: The victim's browser sends the forged request with their authenticated session cookies, causing the WordPress site to execute the unintended action under the victim's privileges (Patchstack).

• Logs: WordPress access logs showing unexpected POST requests to Thim Core plugin endpoints from unusual referrer URLs or external domains.
• Logs: Admin action logs (if enabled via audit plugins) recording configuration changes or content modifications at times inconsistent with normal administrator activity.
• Network: HTTP requests to WordPress admin-ajax.php or plugin-specific endpoints originating from external or unexpected referrer headers.
• File System: Unexpected changes to plugin settings or WordPress content that cannot be attributed to known administrator actions.

As of the time of publication, no official patch is available for the Thim Core plugin — Patchstack notes there is no patched version released by the vendor. Site administrators should consider deactivating or removing the Thim Core plugin until a fix is provided. As a compensating control, deploying a Web Application Firewall (WAF) with CSRF protection rules (such as Patchstack's virtual patching) can help block exploitation attempts. Users should also ensure privileged WordPress accounts follow safe browsing practices to reduce the risk of social engineering attacks (Patchstack).