PT-2023-12499 · WordPress · Opal Estate

Jerome Bruandet · Published 2023-07-01 · Updated 2023-07-07 · CVE-2021-4387

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Opal Estate plugin for WordPress versions up to, and including, 1.6.11

Description The issue is due to missing or incorrect nonce validation on the opalestate set feature property() and opalestate remove feature property() functions. This allows unauthenticated attackers to set and remove featured properties via a forged request if they can trick a site administrator into performing an action such as clicking on a link.

Recommendations For Opal Estate plugin for WordPress versions up to, and including, 1.6.11, consider disabling the opalestate set feature property() and opalestate remove feature property() functions until a patch is available to prevent exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2021-4387

Affected Products

Opal Estate

References · 13

• 🔥 https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-4387 · Security Note
• https://osv.dev/vulnerability/CVE-2021-4387 · Vendor Advisory
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4 · Note
• https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks · Note
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/2645899c-2b6b-48bd-8f33-2a837a951c5e?source=cve · Note
• https://plugins.trac.wordpress.org/browser/opal-estate/trunk/inc/ajax-functions.php#L177 · Note
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1 · Note
• https://t.me/cibsecurity/65846 · Telegram Post
• https://t.me/cvenotify/53503 · Telegram Post
• https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks · Note
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3 · Note