CVE-2021-24963

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

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

Category

4.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.19%
Third-Party Advisory wordpress.org Third-Party Advisory wpscan.com
Affected: Unknown LiteSpeed Cache
Published at:
Updated at:

References

Link Tags
https://wpscan.com/vulnerability/7f8b4275-7586-4e04-afd9-d12bdab6ba9b third party advisory exploit
https://plugins.trac.wordpress.org/changeset/2634373 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-24963?
CVE-2021-24963 has been scored as a medium severity vulnerability.
How to fix CVE-2021-24963?
To fix CVE-2021-24963, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-24963 being actively exploited in the wild?
It is possible that CVE-2021-24963 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-24963?
CVE-2021-24963 affects Unknown LiteSpeed Cache.
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