CVE-2014-3146
mediumpriority · track · 29EPSS 0.063 · 94 %ileexploit · functionalDEEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
- EDB-39155lxml - 'clean_html' Security Bypassfunctional · exploit_db
affected products (85)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2024-1086IBM QRadar SIEM: Mehrere SchwachstellenDeutsch2024-05-09csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, einen Denial-of-Service-Zustand herbeizuführen, vertrauliche Informationen offenzulegen, Dateien zu manipulieren, seine Privilegien zu erweitern, einen Cross-Site-Scripting (XSS)-Angriff durchzuführen oder einen nicht spezifizierten Angriff auszuführen.
- GHSA-57qw-cc2g-pv5plxml Cross-site Scripting Via Control Characters2022-05-14ghsa · osvUS
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.
- PYSEC-2014-92014-05-14vendor · osvUS
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.
also known as (8)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (32)
External citations — patches, advisories, analysis.
- http://lxml.de/3.3/changes-3.3.5.htmlPatchcnnvd
- https://vigilance.fr/vulnerability/lxml-Cross-Site-Scripting-via-Blacklist-44230cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.1173cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.2458cnnvd
- http://advisories.mageia.org/MGASA-2014-0218.htmlenisa_euvd
- http://lists.opensuse.org/opensuse-updates/2014-05/msg00083.htmlenisa_euvd
- http://lxml.de/3.3/changes-3.3.5.htmlenisa_euvd
- http://seclists.org/fulldisclosure/2014/Apr/210enisa_euvd
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