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.
Published: 2026-01-21
Score: 5.1 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 05 Mar 2026 02:15:00 +0000

Type Values Removed Values Added
First Time appeared Litespeedtech
Litespeedtech openlitespeed
CPEs cpe:2.3:a:litespeedtech:openlitespeed:1.7.9:*:*:*:*:*:*:*
Vendors & Products Litespeedtech
Litespeedtech openlitespeed

Fri, 23 Jan 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Litespeed Technologies
Litespeed Technologies openlitespeed
Vendors & Products Litespeed Technologies
Litespeed Technologies openlitespeed

Thu, 22 Jan 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 21 Jan 2026 17:45:00 +0000

Type Values Removed Values Added
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.
Title Openlitespeed 1.7.9 - 'Notes' Stored Cross-Site Scripting
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}


Subscriptions

Litespeed Technologies Openlitespeed
Litespeedtech Openlitespeed
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-03-05T01:28:53.853Z

Reserved: 2026-01-14T17:11:19.904Z

Link: CVE-2021-47855

cve-icon Vulnrichment

Updated: 2026-01-22T14:58:41.384Z

cve-icon NVD

Status : Deferred

Published: 2026-01-21T18:16:16.403

Modified: 2026-04-15T00:35:42.020

Link: CVE-2021-47855

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-22T10:14:49Z

Weaknesses