Description
Versions of the package github.com/yuin/goldmark/renderer/html before 1.7.17 are vulnerable to Cross-site Scripting (XSS) due to improper ordering of URL validation and normalization. The renderer validates link destinations using a prefix-based check (IsDangerousURL) before resolving HTML entities. This allows an attacker to bypass protocol filtering by encoding dangerous schemes using HTML5 named character references. For example, a payload such as javascript:alert(1) is not recognized as dangerous during validation, leading to arbitrary script execution in the context of applications that render the URL.
INFO
Published Date :
2026-04-15T05:00:01.655Z
Last Modified :
2026-04-15T18:07:10.025Z
Source :
snyk
AFFECTED PRODUCTS
The following products are affected by CVE-2026-5160 vulnerability.
| Vendors | Products |
|---|---|
| Yuin |
|
REFERENCES
Here, you will find a curated list of external links that provide in-depth information to CVE-2026-5160.
