CVE Catalog

CVE-2026-15283

MediumCVSS 4.4
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.19%

8th percentile - higher than 8% of all known CVEs

Summary

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.

Risk Assessment

An authenticated attacker with administrator-level permissions can inject arbitrary web scripts that execute whenever a user accesses an injected page. This primarily affects multi-site installations and those where unfiltered_html has been disabled.

Recommendation

Update the WPvivid Backup for MainWP plugin to the latest available version immediately. For multi-site installations, consider further restricting administrator permissions.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS