Medium severity · published Jul 12, 2021
CVE-2021-24427
The W3 Total Cache WordPress plugin before 2.1.3 did not sanitise or escape some of its CDN settings, allowing high privilege users to use JavaScript in them, which will be output…
4.8
CVSS
0.6%
EPSS
No
On KEV
Description
The W3 Total Cache WordPress plugin before 2.1.3 did not sanitise or escape some of its CDN settings, allowing high privilege users to use JavaScript in them, which will be output in the page, leading to an authenticated Stored Cross-Site Scripting issue
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)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WT
W3 Total Cache · Boldgrid
before 2.1.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24427
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24427
m0ze.ru
https://m0ze.ru/vulnerability/%5B2021-04-25%5D-%5BWordPress%5D-%5BCWE-79%5D-W3-Total-Cache-WordPress-Plugin-v2.1.2.txt
Exploit
https://wpscan.com/vulnerability/5da5ce9a-82a6-404f-8dec-795d7905b3f9
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