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 privilege users (subscriber+) to call it and set XSS payloads, which will be triggered in all backend pages.

CVSS v3.1

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

3.5 LOWAV:N/AC:M/Au:S/C:N/I:P/A:N

EPSS

0.70% chance of exploitation in the next 30 days, 51th percentile

Published

2021-05-05

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3

References

• CVE Record
• NVD entry

Related

• CVE-2021-24242
• CVE-2021-24244
• CVE-2021-24241
• CVE-2021-24245
• CVE-2021-24239
• CVE-2021-24246