Name: CVE-2021-29272: Improper Neutralization of Input During Web Page Generation
Creator: Rapid7
Published: 2021-03-27T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-29272, CWE-79, CVSS 6.1, EPSS 0.00929

bluemonday before 1.0.5 allows XSS because certain Go lowercasing converts an uppercase Cyrillic character, defeating a protection mechanism against the "script" string.

CVSS Details

CVSS 3.1 Base Score: 6.1
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade gitea	Aug 22, 2024	Mar 27, 2021
Ubuntu	—	No solution exists	Jun 26, 2025	Mar 27, 2021

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CVSS Details

Covered by Rapid7

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