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CVE-2026-34463

1 advisory.

Packagist/mantisbt/mantisbt CVE-2026-34463: high, EPSS 0.49%

MantisBT is Vulnerable to Stored HTML Injection/XSS in Clone Issue Form

Action: Upgrade mantisbt/mantisbt to 2.28.2 or later.

composer require mantisbt/mantisbt:2.28.2

Affected

introducedfixedlast affected
02.28.2-

Fixed versions

2.28.2

Sources

CVE-2026-34463 · published · modified · JSON