CVE-2021-47955
Received Received - Intake

BaseFortify

Vulnerability report for CVE-2021-47955, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-05-16

Last updated on: 2026-05-16

Assigner: VulnCheck

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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-05-16
Last Modified
2026-05-16
Generated
2026-06-30
EPSS Evaluated
2026-06-28
NVD

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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EPSS Chart