Medium severity6.1OSV Advisory· Published Mar 24, 2019· Updated Jun 17, 2026
CVE-2019-10010
CVE-2019-10010
Description
Cross-site scripting (XSS) vulnerability in the PHP League CommonMark library before 0.18.3 allows remote attackers to insert unsafe links into HTML by using double-encoded HTML entities that are not properly escaped during rendering, a different vulnerability than CVE-2018-20583.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
league/commonmarkPackagist | < 0.18.3 | 0.18.3 |
Affected products
30.1.0, 0.1.1, 0.1.2, …+ 1 more
- (no CPE)range: 0.1.0, 0.1.1, 0.1.2, …
- cpe:2.3:a:thephpleague:commonmark:*:*:*:*:*:*:*:*range: <0.18.3
Patches
Vulnerability mechanics
References
6- github.com/thephpleague/commonmark/issues/353nvdExploitIssue TrackingPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-3v43-877x-qgmqghsaADVISORY
- github.com/thephpleague/commonmark/releases/tag/0.18.3nvdRelease NotesThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2019-10010ghsaADVISORY
- github.com/FriendsOfPHP/security-advisories/blob/master/league/commonmark/CVE-2019-10010.yamlghsaWEB
- github.com/thephpleague/commonmark/security/advisories/GHSA-3v43-877x-qgmqghsaWEB
News mentions
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