Auth bypass in Wpkube Kiwi Social Share
CVE-2021-4362
The Kiwi Social Share plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the kiwi_social_share_get_option() function called via the kiwi_social_share_get_option AJAX action in version 2.1.0. This makes it possible for unauthenticated attackers to read and modify arbitrary options on a WordPress site that can be used for complete site takeover. This was a previously fixed vulnerability that was reintroduced in this version.
Vulnerability class: Broken Access Control
EPSS: 0.014 (70.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Wpkube Kiwi_social_share — versions 2.1.0
- Wpkube Social Sharing Plugin – Kiwi — versions 2.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@wordfence.com (Third Party Advisory)
- security@wordfence.com (Exploit)
- security@wordfence.com (Product)
Frequently asked questions
- What is CVE-2021-4362?
- CVE-2021-4362 is a critical-severity vulnerability in Wpkube Kiwi Social Share, classified under Missing Authorization. CVSS score: 9.8/10. Published 2023-06-07.
- How severe is CVE-2021-4362?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-4362 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.