Medium severity · published May 6, 2021
CVE-2021-24243
An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.6 did not have capability checks nor sanitization, allowing low…
5.4
CVSS
0.7%
EPSS
No
On KEV
Description
An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.6 did not have capability checks nor sanitization, allowing low privilege users (subscriber+) to call it and set XSS payloads, which will be triggered in all backend pages.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WP
Wpbakery Page Builder Clipboard · Wpbakery Page Builder Clipboard Project
4.5.0 before 4.5.6 · source: NVD
Affected product
WP
Wpbakery Page Builder Clipboard
Wpbakery Page Builder Clipboard Project
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24243
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24243
Product
https://codecanyon.net/item/visual-composer-clipboard/8897711
Exploit
https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3
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