PatchTheCVECVE-2024-21728: An Open Redirect vulnerability was found in osTicky2 below 2.2.8
CVE-2024-21728 is a medium-severity flaw (CVSS 6.1) affecting osticky. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An Open Redirect vulnerability was found in osTicky2 below 2.2.8. osTicky (osTicket Bridge) by SmartCalc is a Joomla 3.x extension that provides Joomla fronted integration with osTicket, a popular Support ticket system. The Open Redirect vulnerability allows attackers to control the return parameter in the URL to a base64 malicious URL.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.3% (top 75%) |
| CISA exploited list | No |
| Weakness | CWE-601 |
| Published | 2024-02-15 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-21728?
osticky: upgrade to 2.2.8. Exact commands for each OS are on this page.
Is CVE-2024-21728 being exploited?
CVE-2024-21728 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-21728 affect?
CVE-2024-21728 affects osticky. Severity is medium (CVSS 6.1). An Open Redirect vulnerability was found in osTicky2 below 2.2.8. osTicky (osTicket Bridge) by SmartCalc is a Joomla 3.x extension that provides Joomla fronted integration with osTicket, a popular Support ticket system. The Open Redirect vu
How urgent is CVE-2024-21728?
Priority 28/100. No elevated risk signals yet.