WPBakery Page Builder Clipboard < 4.5.8 - Arbitrary License Options Update
Strategic Overview
- Status
- Patched in 4.5.8
- Affected Plugin
- WPBakery Page Builder Clipboard
- Affected Version
< 4.5.8- CVSS
- 6.5Medium
- Weakness type
- CWE-863 · Incorrect Authorization
- CVE
CVE-2021-24244
At a glance
CVE-2021-24244 is a medium-severity Incorrect Authorization vulnerability in the WPBakery Page Builder Clipboard WordPress plugin, affecting versions < 4.5.8. It carries a CVSS score of 6.5 (reachable over the network; low attack complexity; high integrity impact). The issue is fixed in version 4.5.8; sites on affected versions should update now. Disclosed April 2021, reported by Charles Strader Sweethill.
Vulnerability Overview
An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.8 did not have capability checks, allowing low privilege users, such as subscribers, to update the license options (key, email).
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no interaction from a victim user. A successful exploit has high impact on integrity.
CWE-863: Incorrect Authorization
Reaching this weakness in WPBakery Page Builder Clipboard < 4.5.8 takes a caller who can reach the endpoint. Incorrect authorization means a permission check exists but evaluates the wrong thing, so it passes for callers it was meant to stop.
The action runs for users the code intended to exclude, with the same effect as having no check at all. For WPBakery Page Builder Clipboard the fix is 4.5.8: builds < 4.5.8 are affected, anything from 4.5.8 onward is not.
Remediation
Update to version 4.5.8, or a newer patched version
How does WordSec protect against this?
Because it turns on account access, WordSec's login security is the relevant layer: role-based two-factor, captcha and brute-force limits raise the cost of getting the account this needs. None of that substitutes for the fix: WPBakery Page Builder Clipboard 4.5.8 closes this, and updating the plugin is the step that ends it.
- Login Security
- Alerts
External References
Related records
Other vulnerabilities in WPBakery Page Builder Clipboard
Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C