VYPR
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Medium severity5.4NVD Advisory· Published May 16, 2026· Updated May 18, 2026

CVE-2021-47955

CVE-2021-47955

Description

CouchCMS 2.2.1 contains a cross-site scripting vulnerability that allows authenticated attackers to execute arbitrary JavaScript by uploading malicious SVG files through the file upload functionality. Attackers can upload SVG files containing embedded script tags to the browse.php endpoint, which are then executed in users' browsers when the files are accessed or previewed.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Couchcms/Couchcmsreferences2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: =2.2.1

Patches

Vulnerability mechanics

References

2

News mentions

0

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