XSS in Lxml
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 scripting (XSS) attacks via control characters in the link scheme to the clean_html function.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.063 (92.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Lxml — versions 0.5, 0.5.1, 0.6
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (vendor-advisory, x_refsource_DEBIAN)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Exploit)
- secalert@redhat.com (x_refsource_SECUNIA, third-party-advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (Exploit, vdb-entry, x_refsource_BID)
- secalert@redhat.com (vendor-advisory, x_refsource_MANDRIVA)
- secalert@redhat.com (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2014-3146?
- CVE-2014-3146 is a medium-severity vulnerability in Lxml, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2014-05-14.
- How severe is CVE-2014-3146?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2014-3146 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.