CVE-2024-2309: WP Staging < 3.4.0, 5.4.0 (Pro Version) - Admin+ Stored XSS

Severity: medium (CVSS 4.8 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: yes
Published: 2024-04-17 · updated 2026-06-17
Weakness: CWE-79

Description

The WP STAGING WordPress Backup Plugin WordPress plugin before 3.4.0, wp-staging-pro WordPress plugin before 5.4.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Affected products

WP STAGING WordPress Backup Plugin: before 3.4.0 — fixed in 3.4.0

How to fix

Upgrade to a fixed version: WP STAGING WordPress Backup Plugin 3.4.0. Check the vendor advisory for mitigations.

References

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