nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2021-47855 CVE-2021-47855
MEDIUM
Openlitespeed 1.7.9 - 'Notes' Stored Cross-Site Scripting
Record summary
CVE-2021-47855 has a selected CVSS score of 5.1 (medium); EIP currently links 1 catalogued exploit.
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.
Description source: CVE List
Exploitation context
Available material
- Catalogued exploits
- 1
CISA SSVC decision
ExploitationPoC
AutomatableYes
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Jan 22, 2026 · Source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
OpenLiteSpeedBrowse LiteSpeed Technologies / OpenLiteSpeed | CVE List | 1.7.9 | affected |
Proofs of concept
1Catalogued exploits
ExploitDBOpenlitespeed 1.7.9 - 'Notes' Stored Cross-Site ScriptingExploitDB exploitby cmOsNot analyzed1 file
References
4OpenLiteSpeed Vendor Homepageproduct
https://openlitespeed.org/ ExploitDB-49727exploit
https://www.exploit-db.com/exploits/49727 VulnCheck Advisory: Openlitespeed 1.7.9 - 'Notes' Stored Cross-Site ScriptingThird-party advisory
https://www.vulncheck.com/advisories/openlitespeed-notes-stored-cross-site-scripting