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OpenAdvisories
Medium · 4.4 CVE-2026-15283 EUVD-2026-42791GHSA-rqrj-mfh4-2x3m

WPvivid Backup for MainWP <= 0.9.33 - Authenticated (Admin+) Stored Cross-Site Scripting

Published Jul 10, 2026 · Updated Jul 10, 2026 · Assigned by Wordfence

Description

The WPvivid Backup for MainWP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 0.9.33 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Affected products

VendorProductAffectedFixed
wpvividplugins WPvivid Backup for MainWP ≤ 0.9.33 —

References