CVE-2024-1660: Top Bar < 3.0.5 - 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: 2024-04-15 · updated 2026-06-17
Weakness: CWE-79

Description

The Top Bar WordPress plugin before 3.0.5 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

Top Bar: before 3.0.5 — fixed in 3.0.5

How to fix

Upgrade to a fixed version: Top Bar 3.0.5. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/5bd16f84-22bf-4170-b65c-08caf67d0005/
https://wpscan.com/vulnerability/5bd16f84-22bf-4170-b65c-08caf67d0005/

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