PatchTheCVECVE-2021-36538: Cross Site Scripting (XSS) vulnerability in Gurock TestRail before 7.1.2 allows remote authenticated attackers
CVE-2021-36538 is a medium-severity flaw (CVSS 5.4) affecting testrail. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Cross Site Scripting (XSS) vulnerability in Gurock TestRail before 7.1.2 allows remote authenticated attackers to run arbitrary code via the reference field in milestones or description fields in reports.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 54%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2023-02-03 |
| 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-2021-36538?
testrail: upgrade to 7.1.2. Exact commands for each OS are on this page.
Is CVE-2021-36538 being exploited?
CVE-2021-36538 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-2021-36538 affect?
CVE-2021-36538 affects testrail. Severity is medium (CVSS 5.4). Cross Site Scripting (XSS) vulnerability in Gurock TestRail before 7.1.2 allows remote authenticated attackers to run arbitrary code via the reference field in milestones or description fields in reports.
How urgent is CVE-2021-36538?
Priority 35/100. Public exploit reference