AIKIDO-2026-865125
netcarver/textile is vulnerable to Cross-Site Scripting (XSS)
73
High Risk
This Affects:
netcarver/textileTL;DR
PHP-Textile parses the citation span syntax and copies the user-supplied cite value into the generated cite attribute after only trimming it, without encoding HTML special characters. Untrusted Textile markup can supply a cite value containing quotes and angle brackets that break out of the attribute context and inject arbitrary HTML attributes and script. This yields stored cross-site scripting even when the parser runs in restricted mode intended to make untrusted input safe. The fix HTML-encodes special characters in the cite attribute value before rendering.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you render Textile markup from untrusted or user-controlled input.
Background info
netcarver/textile is vulnerable to Cross-Site Scripting (XSS) in versions 0.0.1 - 4.1.4.
How to fix this
Upgrade the netcarver/textile library to the patch version.
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