CVE-2024-2470: Simple Ajax Chat < 20240412 - Admin+ Stored XSS

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-06-04 · updated 2026-06-17
Weakness: CWE-79

Description

The Simple Ajax Chat WordPress plugin before 20240412 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

Jeff Starr Simple Ajax Chat (WordPress plugin): before 20240412 — fixed in 20240412

How to fix

Upgrade to a fixed version: Jeff Starr Simple Ajax Chat (WordPress plugin) 20240412. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/8514b8ce-ff23-4aba-b2f1-fd36beb7d2ff/
https://wpscan.com/vulnerability/8514b8ce-ff23-4aba-b2f1-fd36beb7d2ff/

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