PT-2023-12517 · WordPress · Elasticpress

Jerome Bruandet · Published 2023-07-01 · Updated 2023-07-08 · CVE-2021-4405

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions ElasticPress plugin for WordPress versions up to, and including, 3.5.3

Description The issue is due to missing or incorrect nonce validation on the epio send autosuggest allowed() function, making it possible for unauthenticated attackers to send allowed parameters for autosuggest to elasticpress[.]io via a forged request. This can happen if an attacker can trick a site administrator into performing an action, such as clicking on a link.

Recommendations For ElasticPress plugin for WordPress versions up to, and including, 3.5.3, consider disabling the epio send autosuggest allowed() function 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.

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2021-4405

Affected Products

Elasticpress

References · 12

• https://nvd.nist.gov/vuln/detail/CVE-2021-4405 · Security Note
• https://plugins.trac.wordpress.org/changeset/2473455/elasticpress/trunk/includes/classes/Feature/Autosuggest/Autosuggest.php · Patch
• https://osv.dev/vulnerability/CVE-2021-4405 · Vendor Advisory
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1 · Note
• 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-2 · Note
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3 · Note
• https://t.me/cvenotify/53520 · Telegram Post
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/8ab8eb9d-1427-4e99-8986-179147e0862e?source=cve · Note
• https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5 · Note
• https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks · Note