Medium severity · published Jan 3, 2022
CVE-2021-24963
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…
4.8
CVSS
0.7%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LC
Litespeed Cache · Litespeedtech
before 4.4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24963
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24963
Patch
https://plugins.trac.wordpress.org/changeset/2634373
Exploit
https://wpscan.com/vulnerability/7f8b4275-7586-4e04-afd9-d12bdab6ba9b
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