CVE-2021-24489: Request a Quote < 2.3.9 - Admin+ Stored Cross-Site Scripting

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-10-25 · updated 2026-06-17
Weakness: CWE-79

Description

The Request a Quote WordPress plugin before 2.3.9 does not sanitise, validate or escape some of its settings in the admin dashboard, leading to authenticated Stored Cross-Site Scripting issues even when the unfiltered_html capability is disallowed.

Affected products

Request a Quote: before 2.3.5 — fixed in 2.3.5

How to fix

Upgrade to a fixed version: Request a Quote 2.3.5. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/36e8efe8-b29f-4c9e-9dd5-3e317aa43e0c
https://wpscan.com/vulnerability/36e8efe8-b29f-4c9e-9dd5-3e317aa43e0c

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