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Status published
Medium
CVE-2021-36884
WordPress Backup Migration plugin <= 1.1.5 - Authenticated Persistent Cross-Site Scripting (XSS) vulnerability
Vulnerability Description
Authenticated Persistent Cross-Site Scripting (XSS) vulnerability discovered in WordPress Backup Migration plugin <= 1.1.5 versions.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Vulnerability discovered by Vlad Visse (Patchstack).
References
Affected Vendor
Backupbliss
View all reports →Affected Software
Backup Migration (WordPress plugin)
Vulnerable Versions:
<= 1.1.5
Timeline
Official Publish:
November 19th, 2021
Last Modified:
April 28th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N