CVE-2021-36850

Name: CVE-2021-36850
Creator: NVD / NIST
Published: 2021-10-04T17:15:07.79+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2021-36850 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Cross-Site Request Forgery (CSRF) vulnerability in WordPress Media File Renamer – Auto & Manual Rename plugin (versions <= 5.1.9). Affected parameters "post_title", "filename", "lock". EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

Cross-Site Request Forgery (CSRF) vulnerability in WordPress Media File Renamer – Auto & Manual Rename plugin (versions <= 5.1.9). Affected parameters "post_title", "filename", "lock". This allows changing the uploaded media title, media file name, and media locking state.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.42%

33.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Meowapps	Media File Renamer - Auto \& Manual Rename	<= 5.1.9

References

https://patchstack.com/database/vulnerability/media-file-renamer/wordpress-media-file-renamer-plugin-5-1-9-multiple-cross-site-request-forgery-csrf-vulnerabilitiesThird Party Advisory
https://wordpress.org/plugins/media-file-renamer/#developersRelease Notes, Third Party Advisory
https://patchstack.com/database/vulnerability/media-file-renamer/wordpress-media-file-renamer-plugin-5-1-9-multiple-cross-site-request-forgery-csrf-vulnerabilitiesThird Party Advisory
https://wordpress.org/plugins/media-file-renamer/#developersRelease Notes, Third Party Advisory

Timeline

Published: Oct 4, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36850?

How severe is CVE-2021-36850?

CVE-2021-36850 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36850?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36850?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST