CVE-2021-24797 Tickera < 3.4.8.3 - Unauthenticated Stored Cross-Site Scripting

What is CVE-2021-24797?

CVE-2021-24797 is a medium-severity cross-site scripting vulnerability in Unknown Tickera – WordPress Event Ticketing, published on 27 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The Tickera WordPress plugin before 3.4.8.3 does not properly sanitise and escape the Name fields of booked Events before outputting them in the Orders admin dashboard, which could allow unauthenticated users to perform Cross-Site Scripting attacks against admins.

Weakness: CWE-79

Which versions are affected by CVE-2021-24797?

It affects 1 product.

Products include Tickera Tickera.

How do I fix CVE-2021-24797?

No fix has been published for CVE-2021-24797 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-24797 being exploited?

There is no known exploitation of CVE-2021-24797 in the wild and no public exploit code.

Other vulnerabilities in Unknown Tickera – WordPress Event Ticketing

• CVE-2024-10263 Tickera – WordPress Event Ticketing <= 3.5.4.4 - Unauthenticated Arbitrary Shortcode Execution High 7.3
• CVE-2024-35729 WordPress Tickera plugin <= 3.5.2.6 - Broken Access Control vulnerability Medium 5.3
• CVE-2023-7252 Tickera < 3.5.2.5 - Ticket leakage through IDOR Medium 5.3
• CVE-2024-5860 Tickera <= 3.5.2.8 - Missing Authorization to Authenticated (Susbcriber+) Ticket Deletion Medium 4.3
• CVE-2022-4549 Tickera < 3.5.1.0 - Plugin Data Deletion via CSRF Medium 4.3

Sources

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

Also known as GHSA-h5xm-qm7g-wc4p.