Bug 2027222 (CVE-2021-43331)

Summary: CVE-2021-43331 mailman: XSS in Cgi/options.py via crafted URL
Product: [Other] Security Response Reporter: Marian Rehak <mrehak>
Component: vulnerabilityAssignee: Nobody <nobody>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: extras-orphan, infra-sig, jkaluza, mosvald, ngompa13
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: mailman 2.1.36 Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in mailman in the Cgi/options.py user options page. This flaw allows a malicious attacker to carry out a Cross-site Scripting attack by providing a crafted URL as input, leading to the execution of arbitrary JavaScript code. The highest threat from this vulnerability is confidentiality and integrity.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2027223, 2027224, 2028176    
Bug Blocks: 2027228    

Description Marian Rehak 2021-11-29 07:11:14 UTC
A crafted URL to the Cgi/options.py user options page can execute arbitrary JavaScript for XSS.

External Reference:

https://bugs.launchpad.net/mailman/+bug/1949401

Comment 1 Marian Rehak 2021-11-29 07:11:56 UTC
Created mailman tracking bugs for this issue:

Affects: fedora-33 [bug 2027223]
Affects: fedora-34 [bug 2027224]