A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the keyword argument strip_comments=False Note: none of the above tags are in the default allowed tags and strip_comments defaults to True.

...

CVE-2002-1681

Cross-site scripting XSS vulnerability in Slashcode CVS releases June 17 through July 1 2002 allows remote attackers to execute arbitrary script as other users by injecting script into the paragraph tag...

CVE-2002-1681: Undefined Security Weakness

Cross-site scripting XSS vulnerability in Slashcode CVS releases June 17 through July 1 2002 allows remote attackers to execute arbitrary script as other users by injecting script into the paragraph tag...