WordPress Plugin Vulnerabilities
Smush < 4.3.6 - Author+ Optimization and Restoration of Others' Attachments via IDOR
Description
The plugin does not verify that a user is authorised to act on the targeted media attachment, only checking a broad upload-files capability, which allows users with the Author role and above to optimise and restore attachments owned by other users, altering their files on disk and consuming the stored backup.
Proof of Concept
Affects Plugins
Fixed in 4.3.6 References
CVE
Classification
Type
IDOR
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Jashid Sany
Submitter
Jashid Sany
Submitter website
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2026-11-09 (about 2 days ago)
Added
2026-11-09 (about 1 day ago)
Last Updated
2026-11-09 (about 1 day ago)
