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CVE-2021-36850: WordPress Media File Renamer – Auto & Manual Rename plugin <= 5.1.9 - Cross-Site Request Forgery (CSRF) vulnerability

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-04 · updated 2026-06-17
• Weakness: CWE-352

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.

Affected products

• Jordy Meow Media File Renamer: Rename Files (Manual, Auto & AI): through 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-vulnerabilities
• https://wordpress.org/plugins/media-file-renamer/#developers
• https://patchstack.com/database/vulnerability/media-file-renamer/wordpress-media-file-renamer-plugin-5-1-9-multiple-cross-site-request-forgery-csrf-vulnerabilities
• https://wordpress.org/plugins/media-file-renamer/#developers

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