AIKIDO-2026-585466
resque is vulnerable to Cross-Site Scripting (XSS)
51
Medium Risk
This Affects:
resqueTL;DR
The resque-web admin interface reflects the request path into the Live Poll!! link on the overview and workers pages without escaping it. A request path containing an apostrophe and event handler, such as /overview/x'onmouseover='alert(1), breaks out of the single-quoted href attribute and injects markup. When an operator opens a crafted link the injected script runs in their session. The fix escapes the reflected path with h before building the poll link.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you run the resque-web administrative interface.
Background info
resque is vulnerable to Cross-Site Scripting (XSS) in versions 1.1.0 - 3.0.1.
How to fix this
Upgrade the resque library to the patch version.
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