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CVE-2021-47855 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:8.3 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L

CNA: [email protected]CVSS-B:7.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://openlitespeed.org/	[email protected]	Vendor
https://www.exploit-db.com/exploits/49727	[email protected]	Exploit
https://www.vulncheck.com/advisories/openlitespeed-notes-stored-cross-site-scripting	[email protected]	AdvisoryExploit

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
OpenLiteSpeed	1.7.9 (semver)
CPE cpe:2.3:a:litespeedtech:openlitespeed:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Jan 21, 2026	New CVE Received	[email protected]