CVE-2021-24839 SupportCandy < 2.2.5 - Unauthenticated Arbitrary Ticket Deletion

What is CVE-2021-24839?

CVE-2021-24839 is a high-severity missing authorization vulnerability in Unknown SupportCandy – Helpdesk & Support Ticket System, published on 7 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The SupportCandy WordPress plugin before 2.2.5 does not have authorisation and CSRF checks in its wpsc_tickets AJAX action, which could allow unauthenticated users to call it and delete arbitrary tickets via the set_delete_permanently_bulk_ticket setting_action. Other actions may be affected as well.

Weakness: CWE-862

Which versions are affected by CVE-2021-24839?

It affects 1 product.

Products include Supportcandy Supportcandy.

How do I fix CVE-2021-24839?

No fix has been published for CVE-2021-24839 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-24839 being exploited?

There is no known exploitation of CVE-2021-24839 in the wild and no public exploit code.

Other vulnerabilities in Unknown SupportCandy – Helpdesk & Support Ticket System

• CVE-2023-1730 SupportCandy < 3.1.5 - Unauthenticated SQLi Critical 9.8
• CVE-2019-11223 File upload in n/a Critical 9.8
• CVE-2023-2719 SupportCandy < 3.1.7 - Subscriber+ SQLi High 8.8
• CVE-2021-24879 SupportCandy < 2.2.7 - CSRF to Cross-Site Scripting High 8.8
• CVE-2023-2805 SupportCandy < 3.1.7 - Admin+ SQLi High 7.2

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-q2j9-7728-x3pg.