Captchinoo Captcha <= 2.3 - Missing Authorization to Arbitrary Plugin Installation/Activation

2021-04-22 00:00

Bugbang

Strategic Overview

Status

Patched in 2.4

Affected PluginCaptchinoo, admin login page protection with Google recaptcha

Affected Version<= 2.3

CVSS8.8High

CVECVE-2021-24189

View all Captchinoo, admin login page protection with Google recaptcha vulnerabilities

Vulnerability Overview

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 plugins from the blog, which helps attackers install vulnerable plugins and could lead to more critical vulnerabilities like RCE.

Technical Analysis

REMEDIATION: Update to version 2.4, or a newer patched version --- IDENTIFIER: CWE-285 (Improper Authorization) The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24189 https://www.wordfence.com/threat-intel/vulnerabilities/id/9d387a5c-717c-4383-af7d-5a5f48628cb7

CVSS Vector

8.8

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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