Medium severity5.4NVD Advisory· Published Aug 12, 2020· Updated Jun 17, 2026
CVE-2020-16266
CVE-2020-16266
Description
An XSS issue was discovered in MantisBT before 2.24.2. Improper escaping on view_all_bug_page.php allows a remote attacker to inject arbitrary HTML into the page by saving it into a text Custom Field, leading to possible code execution in the browser of any user subsequently viewing the issue (if CSP settings allow it).
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
mantisbt/mantisbtPackagist | >= 2.1.0, < 2.24.2 | 2.24.2 |
Affected products
3- MantisBT/MantisBTdescription
Patches
Vulnerability mechanics
References
5- mantisbt.org/bugs/view.phpnvdExploitIssue TrackingPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-4rrc-5vp6-m3f6ghsaADVISORY
- mantisbt.org/blog/archives/mantisbt/665nvdRelease NotesVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2020-16266ghsaADVISORY
- github.com/mantisbt/mantisbt/commit/9ef8f23a8119221d010251112b1255630a46d903ghsaWEB
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