Cross-site scripting in feedparser - CVE-2011-1158

 

Cross-site scripting in feedparser - CVE-2011-1158

Published: April 11, 2011 / Updated: May 19, 2022


Vulnerability identifier: #VU45132
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2011-1158
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: kurtmckee (Kurt McKee)
Affected software:
feedparser

Detailed vulnerability description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) 5.x before 5.0.1. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


How to mitigate CVE-2011-1158

Install update from vendor's website.

Sources