GHSA-p6h9-gw49-rqm4
Suggest an improvement- Source
- https://github.com/advisories/GHSA-p6h9-gw49-rqm4
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/07/GHSA-p6h9-gw49-rqm4/GHSA-p6h9-gw49-rqm4.json
- JSON Data
- https://api.osv.dev/v1/vulns/GHSA-p6h9-gw49-rqm4
- Aliases
- Published
- 2018-07-12T20:29:21Z
- Modified
- 2024-09-30T17:23:16.991720Z
- Severity
-
- 6.1 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
- 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N CVSS Calculator
- Summary
- markdown2 is vulnerable to cross-site scripting
- Details
-
An issue was discovered in
markdown2(aka python-markdown2) through 2.3.5. Thesafe_modefeature, which is supposed to sanitize user input against XSS, is flawed and does not escape the input properly. With a crafted payload, XSS can be triggered, as demonstrated by omitting the final>character from an IMG tag. - References
-
- https://nvd.nist.gov/vuln/detail/CVE-2018-5773
- https://github.com/google/osv/issues/430
- https://github.com/trentm/python-markdown2/issues/285
- https://github.com/trentm/python-markdown2/pull/303
- https://github.com/trentm/python-markdown2/commit/1b1dcdd727c0ef03453b9f5ef5ae3679f1d72323
- https://github.com/advisories/GHSA-p6h9-gw49-rqm4
- https://github.com/pypa/advisory-database/tree/main/vulns/markdown2/PYSEC-2018-13.yaml
- https://github.com/trentm/python-markdown2
- https://github.com/trentm/python-markdown2/blob/master/CHANGES.md#python-markdown2-236
Affected packages
PyPI / markdown2
Package
- Name
- markdown2
- View open source insights on deps.dev
- Purl
- pkg:pypi/markdown2