CVE-2021-47855
High
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.
SeverityHigh
CVSS7.2
Exploit probability—
ProductOpenLiteSpeed
PublishedJan 21, 2026
First seenJan 21, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| LiteSpeed Technologies OpenLiteSpeed | 1.7.9 | — |
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