CVE-2021-47855

HIGH

Openlitespeed 1.7.9 - XSS

Title source: llm

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.

Exploits (1)

exploitdb WORKING POC
by cmOs · textwebappsmultiple
https://www.exploit-db.com/exploits/49727

Scores

CVSS v3 7.2
EPSS 0.0004
EPSS Percentile 12.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
LiteSpeed Technologies/OpenLiteSpeed 1.7.9
Published Jan 21, 2026
Tracked Since Feb 18, 2026