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CVE-2021-47855

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CVE-2021-47855

Published: Jan 21, 2026

Modified: Mar 5, 2026

PUBLISHED

CVSS v3.1

7.2

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.

VendorProductVersions

LiteSpeed Technologies

OpenLiteSpeed

affected
1.7.9

Weaknesses (CWE)

CWE-79

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

References

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