4 results · Feed
-
High 7.5
python-markdown2 through 2.5.5 Denial of Service via Unclosed Inline Link Destinations
python-markdown2 through 2.5.5 contains a denial of service vulnerability that allows remote users to exhaust CPU by submitting Markdown with unclosed inline link destinations. Attackers can submit repeated '[a](' or ' in the Markdown2. extract_metadata() function (lib/markdown2.py) of tren…
-
High 7.5
markdown2 Regular Expression Denial of Service
markdown2 >=1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of service vulnerability. If an attacker provides a malicious string, it can make markdown2 processing difficult or delayed for an extended period of time.
-
Medium 6.1
XSS in python-markdown2
python-markdown2 through 2.3.8 allows XSS because element names are mishandled unless a \w+ match succeeds. For example, an attack might use elementname@ or elementname- with an onclick attribute.