What’s Vulnerable › Vulnerabilities

CVE-2024-8548: KB Support – WordPress Help Desk and Knowledge Base <= 1.6.6 - Missing Authorization to Authenticated (Subscriber+) Multiple Administrator Actions

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-01 · updated 2026-06-17
• Weakness: CWE-862

Description

The KB Support – WordPress Help Desk and Knowledge Base plugin for WordPress is vulnerable to unauthorized modification and loss of data due to a missing capability check on several functions in the /includes/ajax-functions.php file all versions up to, and including, 1.6.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform multiple administrative actions, such as replying to arbitrary tickets, updating the status of any post, deleting any post, adding notes to tickets, flagging or unflagging tickets, and adding or removing ticket participants.

Affected products

• logoninc KB Support – Customer Support Ticket & Helpdesk Plugin, Knowledge Base Plugin: before 1.6.7 — fixed in 1.6.7

How to fix

Upgrade to a fixed version: logoninc KB Support – Customer Support Ticket & Helpdesk Plugin, Knowledge Base Plugin 1.6.7. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3164784%40kb-support&new=3164784%40kb-support&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/5fb90b3b-08bd-4887-a6bf-054b42d3e403?source=cve

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