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OpenAdvisories
Medium · 6.4 CVE-2021-47950 EUVD-2021-34810GHSA-4x8q-cwhj-47mg

Advanced Guestbook 2.4.4 Persistent XSS via Smilies

Published May 10, 2026 · Updated Jul 15, 2026 · Assigned by VulnCheck

Description

Advanced Guestbook 2.4.4 contains a persistent cross-site scripting vulnerability in the smilies administration interface that allows authenticated attackers to inject malicious scripts by manipulating the s_emotion parameter. Attackers can submit POST requests to admin.php with JavaScript code in the s_emotion field, which executes when administrators view the smilies tab.

Affected products

VendorProductAffectedFixed
Ampps Advanced Guestbook 2.4.4 —

References