CVE-2021-24189
Captchinoo, Google recaptcha for admin login page < 2.4 - Arbitrary Plugin Installation/Activation via Low Privilege User
Low privileged users can use the AJAX action 'cp_plugins_do_button_job_later_callback' in the Captchinoo, Google recaptcha for admin login page WordPress plugin before 2.4, to install any plugin (including a specific version) from the WordPress repository, as well as activate arbitrary plugin from then blog, which helps attackers install vulnerable plugins and could lead to more critical vulnerabilities like RCE.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Low privileged users can use the AJAX action 'cp_plugins_do_button_job_later_callback' in the Captchinoo, Google recaptcha for admin login page WordPress plugin before 2.4, to install any plugin (including a specific version) from the WordPress repository, as well as activate arbitrary plugin from then blog, which helps attackers install vulnerable plugins and could lead to more critical vulnerabilities like RCE.
- Record
CVE-2021-24189- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-285
- Updated
- 2026-11-02
CVE List No score
Captchinoo, Google recaptcha for admin login page < 2.4 - Arbitrary Plugin Installation/Activation via Low Privilege User
Low privileged users can use the AJAX action 'cp_plugins_do_button_job_later_callback' in the Captchinoo, Google recaptcha for admin login page WordPress plugin before 2.4, to install any plugin (including a specific version) from the WordPress repository, as well as activate arbitrary plugin from then blog, which helps attackers install vulnerable plugins and could lead to more critical vulnerabilities like RCE.
- Record
CVE-2021-24189- Weakness
- CWE-285
- Updated
- 2026-11-02
EUVDEUVD-2021-11103 No score
Low privileged users can use the AJAX action 'cp_plugins_do_button_job_later_callback' in the Captchinoo, Google recaptcha for admin login page WordPress plugin before 2.4, to install any plugin (including a specific version) from the WordPress repository, as well as activate arbitrary plugin from then blog, which helps attackers install vulnerable plugins and could lead to more critical vulnerabilities like RCE.
- Record
EUVD-2021-11103- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pcrq-2vxc-q7wj No score
Low privileged users can use the AJAX action 'cp_plugins_do_button_job_later_callback' in the...
Low privileged users can use the AJAX action 'cp_plugins_do_button_job_later_callback' in the Captchinoo, Google recaptcha for admin login page WordPress plugin before 2.4, to install any plugin (including a specific version) from the WordPress repository, as well as activate arbitrary plugin from then blog, which helps attackers install vulnerable plugins and could lead to more critical vulnerabilities like RCE.
- Record
GHSA-pcrq-2vxc-q7wj- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24189 is a high vulnerability (CVSS 8.8) in Wp-buy Captchinoo, published May 14, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.32%, the 71st percentile. No source names a fixed version.