CVE-2021-39319: duoFAQ - Responsive, Flat, Simple FAQ <= 1.4.8 Reflected Cross-Site Scripting

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-12-14 · updated 2026-06-17
Weakness: CWE-79

Description

The duoFAQ - Responsive, Flat, Simple FAQ WordPess plugin is vulnerable to Reflected Cross-Site Scripting via the msg parameter found in the ~/duogeek/duogeek-panel.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.4.8.

Affected products

duoFAQ - Responsive, Flat, Simple FAQ: through 1.4.8

References

https://plugins.trac.wordpress.org/browser/duofaq-responsive-flat-simple-faq/tags/1.4.8/duogeek/duogeek-panel.php#L388
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39319
https://plugins.trac.wordpress.org/browser/duofaq-responsive-flat-simple-faq/tags/1.4.8/duogeek/duogeek-panel.php#L388
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39319

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