CVE-2024-5151: SULly < 4.3.1 - Admin+ Stored XSS

Severity: high (CVSS 7.1 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: 2024-07-13 · updated 2026-06-17
Weakness: CWE-79

Description

The SULly WordPress plugin before 4.3.1 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

SULly: before 4.3.1 — fixed in 4.3.1

How to fix

Upgrade to a fixed version: SULly 4.3.1. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/1ede4c66-9932-4ba6-bba1-0ba13f5a2f8f/
https://wpscan.com/vulnerability/1ede4c66-9932-4ba6-bba1-0ba13f5a2f8f/

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