CVE-2024-12542: linkID <= 0.1.2 - Missing Authorization to Unauthenticated Sensitive Information Exposure

Severity: high (CVSS 8.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-01-09 · updated 2026-06-17
Weakness: CWE-862

Description

The linkID plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check when including the 'phpinfo' function in all versions up to, and including, 0.1.2. This makes it possible for unauthenticated attackers to read configuration settings and predefined variables on the site's server. The plugin does not need to be activated for the vulnerability to be exploited.

Affected products

linkID: through 0.1.2

References

https://plugins.trac.wordpress.org/browser/linkid/trunk/lib/linkid/linkid-sdk-php/util/index.php#L1
https://www.wordfence.com/threat-intel/vulnerabilities/id/b2fe5315-37b7-4009-b2e5-909e6b5ed1da?source=cve

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