CVE-2020-16266: MantisBT XSS issue on the view_all_bug_page.php

medium Affects mantisbt/mantisbt. Feed 2026.10.29.3, updated 2026-10-29; published ; advisory modified .

MantisBT XSS issue on the view_all_bug_page.php

Package
mantisbt/mantisbt Composer
Affected versions
>=2.1.0 and <2.24.2
Fixed in
2.24.2
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (67.6th percentile)
Published
2022-05-24
Source
osv.dev

References

CWE-79
NVD recordmantisbt/mantisbt advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
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