GO-2026-5660 Caddy: stripHTML template function bypass in github.com/caddyserver/caddy

Caddy: stripHTML template function bypass in github.com/caddyserver/caddy...

CVE-2026-52846 Caddy: stripHTML template function bypass

Caddy is an extensible server platform that uses TLS by default. Prior to 2.11.4, Caddy’s stripHTML template function cannot reliably remove all HTML tags from input strings. Certain malformed HTML, such as img src=x onerror=alert, can bypass the tag-stripping logic, potentially leaving dangerous...

CVE-2026-52846

Summary: CVE-2026-52846 affects Caddy's stripHTML template function, which cannot reliably strip certain malformed HTML (e.g., <img src=x onerror=alert()>). This can bypass tag-stripping and may enable client-side XSS when untrusted strings are rendered as HTML. The issue originates in func...

GHSA-VCC4-2C75-VC9V Caddy: stripHTML template function bypass

Summary Caddy’s stripHTML template function cannot reliably remove all HTML tags from input strings. Certain malformed HTML, such as img src=x onerror=alert, can bypass the tag-stripping logic, potentially leaving dangerous content in the output if it is later rendered as HTML. This may allow...