What’s Vulnerable › Vulnerabilities

CVE-2026-50133: Hugo: XSS via text/html content files

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-06 · updated 2026-10-25
• Weakness: CWE-79

Description

Hugo is a static site generator. Prior to 0.162.0, Hugo accepts content files in several markup formats. Files mapped to the text/html media type (typically .html files under /content, or pages produced by a content adapter that sets content.mediaType = "text/html") had their body emitted verbatim into the rendered page. A site that ingests HTML content from an untrusted source could therefore be served stored cross-site scripting. This vulnerability is fixed in 0.162.0.

Affected products

• gohugoio hugo: before 0.162.0 — fixed in 0.162.0

How to fix

Upgrade to a fixed version: gohugoio hugo 0.162.0. Check the vendor advisory for mitigations.

References

• https://github.com/gohugoio/hugo/commit/e41a06447daa3071a01f333fdcec0a5153c3c8d1
• https://github.com/gohugoio/hugo/releases/tag/v0.162.0
• https://github.com/gohugoio/hugo/security/advisories/GHSA-c54g-xjwj-8g82

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