CVE-2014-3146

MEDIUM

Lxml < 3.3.4 - XSS

Title source: rule

Description

Incomplete blacklist vulnerability in the lxml.html.clean module in lxml before 3.3.5 allows remote attackers to conduct cross-site scripting (XSS) attacks via control characters in the link scheme to the clean_html function.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Maksim Kochkin · textremotelinux

https://www.exploit-db.com/exploits/39155

View Code ZIP pw:eip

References (14)

[Third Party Advisory] http://advisories.mageia.org/MGASA-2014-0218.html

[Mailing List] http://lists.opensuse.org/opensuse-updates/2014-05/msg00083.html

[Various Sources] http://lxml.de/3.3/changes-3.3.5.html

[Mailing List] http://seclists.org/fulldisclosure/2014/Apr/210

[Exploit] http://seclists.org/fulldisclosure/2014/Apr/319

[Vendor Advisory] http://secunia.com/advisories/58013

[Third Party Advisory] http://secunia.com/advisories/58744

[Third Party Advisory] http://secunia.com/advisories/59008

[Vendor Advisory] http://www.mandriva.com/security/advisories?name=MDVSA-2015:112

[Exploit] http://www.securityfocus.com/bid/67159

[Vendor Advisory] http://www.ubuntu.com/usn/USN-2217-1

[Exploit] https://mailman-mail5.webfaction.com/pipermail/lxml/2014-April/007128.html

[Third Party Advisory] http://www.debian.org/security/2014/dsa-2941

[Mailing List] http://www.openwall.com/lists/oss-security/2014/05/09/7

Scores

CVSS v3 6.1

EPSS 0.0436

EPSS Percentile 88.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Classification

CWE

CWE-79

Status draft

Affected Products (50)

lxml/lxml < 3.3.4

lxml/lxml

... and 35 more

Timeline

Published May 14, 2014

Tracked Since Feb 18, 2026