CVE-2021-36850
WordPress vulnerability analysis and mitigation

Overview

Cross-Site Request Forgery (CSRF) vulnerability was discovered in WordPress Media File Renamer – Auto & Manual Rename plugin versions 5.1.9 and earlier. The vulnerability was identified on July 19, 2021, and affected parameters include 'post_title', 'filename', and 'lock'. This security issue allows attackers to modify uploaded media titles, filenames, and media locking states (NVD, Patchstack).

Technical details

The vulnerability is classified as a Cross-Site Request Forgery (CSRF) issue with a CVSS v3.1 Base Score of 5.4 (Medium) according to Patchstack, while NVD rates it at 4.3 (Medium) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N. The vulnerability is tracked as CWE-352 and affects the plugin's handling of media file parameters (NVD).

Impact

When exploited, this vulnerability allows attackers to force authenticated users to perform unwanted actions, specifically changing uploaded media titles, modifying filenames, and altering media locking states without proper authorization (WPScan).

Mitigation and workarounds

The vulnerability was patched in version 5.2.0 of the WordPress Media File Renamer plugin. Users are advised to update to version 5.2.0 or later to resolve the security issue (WordPress).

Additional resources


SourceThis report was generated using AI

Related WordPress vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-13126HIGH7.5
  • wpforo
NoYesDec 14, 2025
CVE-2025-12537MEDIUM6.4
  • addon-elements-for-elementor-page-builder
NoYesDec 14, 2025
CVE-2025-9873MEDIUM6.4
  • a3-lazy-load
NoYesDec 13, 2025
CVE-2025-9856MEDIUM6.4
  • popup-builder
NoYesDec 13, 2025
CVE-2025-12696N/AN/A
  • hls-crm-form-shortcode
NoNoDec 14, 2025

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management