TI-2021-07242 Aliases CVE-2021-24963 GHSA-3g97-4533-4g2p

LiteSpeed Cache < 4.4.4 - Admin+ Reflected Cross-Site Scripting

LOW 23CWE-79Published 2022-01-03 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: High
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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

Why it matters now

EPSS 0.00676 52nd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed LiteSpeed Cache (Unknown): 4.4.4

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	LiteSpeed Cache	4.4.4 to before 4.4.4	4.4.4	Patch available	CNA

LiteSpeed Cache VendorUnknown Affected 4.4.4 to before 4.4.4 Fixed in 4.4.4 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:litespeedtech:litespeed_cache::::::wordpress::*	before 4.4.4	Vulnerable	litespeedtech

cpe:2.3:a:litespeedtech:litespeed_cache:*:*:*:*:*:wordpress:*:* Versions before 4.4.4 Vulnerable ·litespeedtech

Remediation

Fix · CNA LiteSpeed Cache (Unknown) Fixed in 4.4.4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2022-01-03
LiteSpeed Cache 4.4.4
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2021-07243 LiteSpeed Cache < 4.4.4 - IP Check Bypass to Unauthenticated Stored XSSPriority MEDIUM 60
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2021-24963
2026-10-03 Alias added: GHSA-3g97-4533-4g2p
2026-10-14 EPSS moved to the 50th–90th percentile

References

Exploit 1

https://wpscan.com/vulnerability/7f8b4275-7586-4e04-afd9-d12bdab6ba9b

Patch 1

https://plugins.trac.wordpress.org/changeset/2634373

TI-2024-29589 WordPress LiteSpeed Cache plugin < 6.5.0.1 - Unauthenticated Account Takeover via Cookie Leak vulnerability CVSS 3.1CRITICAL 9.8
TI-2024-18601 WordPress LiteSpeed Cache plugin <= 6.3.0.1 - Unauthenticated Privilege Escalation vulnerability CVSS 3.1CRITICAL 9.8
TI-2023-20892 WordPress LiteSpeed Cache plugin <= 5.7 - Unauthenticated Site Wide Stored XSS vulnerability CVSS 3.1HIGH 8.3
TI-2021-07243 LiteSpeed Cache < 4.4.4 - IP Check Bypass to Unauthenticated Stored XSS CVSS 3.1MEDIUM 6.1
TI-2023-04040 LiteSpeed Cache <= 5.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVSS 3.1MEDIUM 6.4
TI-2024-33979 WordPress LiteSpeed Cache plugin <= 6.5.1 - Privilege Escalation vulnerability CVSS 3.1CRITICAL 9.8

See all 14 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences