Back
CVE-2014-3146
Incomplete blacklist vulnerability in the lxml.html.clean module in lxml before 3.3.5 allows remote attackers to conduct cross-site…
Medium6.1EPSS 6.3%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 6.3% · top 6.4% of all CVEs (4 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
References (14)
- DSA-2941 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- http://lxml.de/3.3/changes-3.3.5.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20140509 Re: CVE request: python-lxml clean_html() input sanitization flaw (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-2217-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [lxml] 20140415 lxml.html.clean vulnerability (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 58744 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://advisories.mageia.org/MGASA-2014-0218.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 67159 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- MDVSA-2015:112 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 58013 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20140415 lxml (python lib) vulnerability (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 59008 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- openSUSE-SU-2014:0735 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 20140430 Re: lxml (python lib) vulnerability (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-57qw-cc2g-pv5p (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2014-3146)Record last updated .