KB Support – WordPress Help Desk and Knowledge Base <= 1.6.6 - Missing Authorization to Unauthenticated Ticket Reply Exposure

Description

The KB Support – WordPress Help Desk and Knowledge Base plugin for WordPress is vulnerable to unauthorized access and modification of data due to a missing capability check on the 'kbs_ajax_load_front_end_replies' and 'kbs_ajax_mark_reply_as_read' functions in all versions up to, and including, 1.6.6. This makes it possible for unauthenticated attackers to read replies of any ticket, and mark any reply as read.

Scores

EPSS (exploitation in 30 days)

0.29% · top 79% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: yes · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.

Weakness

• CWE-862 Missing Authorization (opens in a new tab)All about CWE-862 and its CVEs

Affected products

• logoninc · KB Support – Customer Support Ticket & Helpdesk Plugin, Knowledge Base Plugin

  • affected ≤ 1.6.6

References (2)

• https://www.wordfence.com/threat-intel/vulnerabilities/id/767b1234-5b4a-4baa-9048-7b2e413cdba5?source=cve (opens in a new tab)
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3164784%40kb-support&new=3164784%40kb-support&sfp_email=&sfph_mail= (opens in a new tab)

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2024-8632](https://trackcve.app/badge/CVE-2024-8632.svg)](https://trackcve.app/cve/CVE-2024-8632)

Record last updated 8 Apr 2026, 17:01 UTC.