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Medium severity5.4NVD Advisory· Published Aug 31, 2021· Updated Jun 17, 2026

CVE-2020-19049

CVE-2020-19049

Description

Cross Site Scripting (XSS) in MyBB v1.8.20 allows remote attackers to inject arbitrary web script or HTML via the "Description" field found in the "Add New Forum" page by doing an authenticated POST HTTP request to '/Upload/admin/index.php?module=forum-management&action=add'.

Affected products

4
  • MyBB/Mybb2 versions
    cpe:2.3:a:mybb:mybb:1.8.20:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:mybb:mybb:1.8.20:*:*:*:*:*:*:*
    • (no CPE)range: <=1.8.20
  • MyBB/MyBBdescription
  • osv-coords
    pkg:bitnami/mybb
    Range: >= 1.8.20, <= 1.8.20

Patches

Vulnerability mechanics

References

1

News mentions

0

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