CVE-2021-24963
LiteSpeed Cache < 4.4.4 - Admin+ Reflected Cross-Site Scripting
MEDIUM
4.8
CVSS Score
Published: January 3, 2022 at 12:49 PM UTC
Updated: June 17, 2026 at 03:41 AM UTC
1 product affected across 1 vendorLiteSpeed Cache
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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.7%
Description
The LiteSpeed Cache WordPress plugin before 4.4.4 does not escape the qc_res parameter before outputting it back in the JS code of an admin page, leading to a Reflected Cross-Site Scripting
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
LiteSpeed Cache· Litespeedtechwordpress-plugin
95%v < 4.4.4
Affected range stops below 4.4.4, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://plugins.trac.wordpress.org/changeset/2634373x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://wpscan.com/vulnerability/7f8b4275-7586-4e04-afd9-d12bdab6ba9bCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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