High severity7.2NVD Advisory· Published Jan 21, 2026· Updated Jun 17, 2026
CVE-2021-47855
CVE-2021-47855
Description
Openlitespeed 1.7.9 contains a stored cross-site scripting vulnerability in the dashboard's Notes parameter that allows administrators to inject malicious scripts. Attackers can craft a payload in the Notes field during listener configuration that will execute when an administrator clicks on the Default Icon.
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Affected products
1- Range: <1.7.9
Patches
Vulnerability mechanics
References
3News mentions
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