CVE-2021-4426: CSRF
First published: Wed Jul 12 2023(Updated: )
The Absolute Reviews plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.0.8. This is due to missing or incorrect nonce validation on the metabox_review_save() function. This makes it possible for unauthenticated attackers to save meta tags via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Credit: security@wordfence.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ashstonestudios Absolute Reviews | <=1.0.8 | |
| Codesupply Absolute Reviews WordPress | <=1.0.8 |
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Reference Links
- https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/
- https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2548729%40absolute-reviews&new=2548729%40absolute-reviews&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ec1ee47d-020c-482d-ad6f-663d78e624b8?source=cve
Frequently Asked Questions
What is the severity of CVE-2021-4426?
CVE-2021-4426 is classified as a medium severity vulnerability due to its potential for Cross-Site Request Forgery attacks.
How do I fix CVE-2021-4426?
To address CVE-2021-4426, it is recommended to update the Absolute Reviews plugin to version 1.0.9 or later.
Who is affected by CVE-2021-4426?
CVE-2021-4426 affects users of the Absolute Reviews plugin for WordPress, specifically versions up to and including 1.0.8.
What type of vulnerability is CVE-2021-4426?
CVE-2021-4426 is a Cross-Site Request Forgery (CSRF) vulnerability that allows unauthenticated attackers to manipulate meta tags.
Are there known exploits for CVE-2021-4426?
While specific exploits for CVE-2021-4426 have not been widely reported, its CSRF nature indicates a risk of exploitation without proper nonce validation.
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