What’s Vulnerable › Vulnerabilities
CVE-2021-47855: Openlitespeed 1.7.9 - 'Notes' Stored Cross-Site Scripting
- Severity: high (CVSS 7.2 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-01-21 · updated 2026-06-17
- Weakness: CWE-79
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.
Affected products
References
- https://openlitespeed.org/
- https://www.exploit-db.com/exploits/49727
- https://www.vulncheck.com/advisories/openlitespeed-notes-stored-cross-site-scripting
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