Bug 1944293 (CVE-2021-29272) - CVE-2021-29272 bluemonday: Cross-site scripting via uppercase Cyrillic i
Summary: CVE-2021-29272 bluemonday: Cross-site scripting via uppercase Cyrillic i
Keywords:
Status: NEW
Alias: CVE-2021-29272
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 1944656
Blocks: 1944294
TreeView+ depends on / blocked
 
Reported: 2021-03-29 17:25 UTC by Pedro Sampaio
Modified: 2023-10-25 17:21 UTC (History)
7 users (show)

Fixed In Version: bluemonday 1.0.5
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description Pedro Sampaio 2021-03-29 17:25:05 UTC 
bluemonday before 1.0.5 allows XSS because certain Go lowercasing converts an uppercase Cyrillic character, defeating a protection mechanism against the "script" string.

References:

https://github.com/microcosm-cc/bluemonday/releases/tag/v1.0.5
https://vuln.ryotak.me/advisories/4.txt
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