6.1med
CVE-2016-9910
Cross-site Scripting in html5lib
Also known as GHSA-8f6m-gfq9-g33v, PYSEC-2017-15
Published 9 y ago · modified 4 mo ago · JSON
CVSS
6.1
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.2%
percentile 82%
Public exploits
0
none known
Summary
The serializer in html5lib before 0.99999999 might allow remote attackers to conduct cross-site scripting (XSS) attacks by leveraging mishandling of special characters in attribute values, a different vulnerability than CVE-2016-9909.
Exploit prediction (EPSS)
2.16% probability of exploitation in the next 30 days, higher than 82% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pypi | html5lib | <0.99999999 <0.999999999 | 0.99999999 0.999999999 |
Classification
- Weakness
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
- github.com /html5lib/html5lib-python/issues/12 · x_refsource_CONFIRM, x_transferred
- html5lib.readthedocs.io /en/latest/changes.html#b9 · x_refsource_CONFIRM, x_transferred
- openwall.com /lists/oss-security/2016/12/06/5 · mailing-list, x_refsource_MLIST, x_transferred
- openwall.com /lists/oss-security/2016/12/08/8 · mailing-list, x_refsource_MLIST, x_transferred
- securityfocus.com /bid/95132 · vdb-entry, x_refsource_BID, x_transferred
- github.com /html5lib/html5lib-python/commit/9b8d8eb5afbc066b7fac9390f5ec75e5e8a7cab7 · x_refsource_CONFIRM, x_transferred
- github.com /html5lib/html5lib-python/issues/11 · x_refsource_CONFIRM, x_transferred
- nvd.nist.gov /vuln/detail/CVE-2016-9910 · advisory
- github.com /advisories/GHSA-8f6m-gfq9-g33v · advisory
- github.com /html5lib/html5lib-python · package
- github.com /pypa/advisory-database/tree/main/vulns/html5lib/PYSEC-2017-15.yaml · web
- web.archive.org /web/20200514233128/http://www.securityfocus.com/bid/95132 · web
Sources
- CVE List: CVE-2016-9910
- GitHub Advisory: GHSA-8f6m-gfq9-g33v
- NVD: CVE-2016-9910
- OSV: PYSEC-2017-15
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.