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    <title>Most recent entries from all</title>
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    <lastBuildDate>Mon, 05 Oct 2026 05:20:15 +0000</lastBuildDate>
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      <title>CVE-2026-40470 — Hackage package and doc upload stored XSS vulnerability</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-40470</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; hackage-server&lt;/p&gt;
&lt;p&gt;A critical XSS vulnerability affected hackage-server and
hackage.haskell.org.  HTML and JavaScript files provided in source
packages or via the documentation upload facility were served
as-is on the main hackage.haskell.org domain.  As a consequence,
when a user with latent HTTP credentials browses to the package
pages or documentation uploaded by a malicious package maintainer,
their session can be hijacked to upload packages or
documentation, amend maintainers or other package metadata, or
perform any other action the user is authorised to do.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; hackage-server&lt;/p&gt;
&lt;p&gt;A critical XSS vulnerability affected hackage-server and
hackage.haskell.org.  HTML and JavaScript files provided in source
packages or via the documentation upload facility were served
as-is on the main hackage.haskell.org domain.  As a consequence,
when a user with latent HTTP credentials browses to the package
pages or documentation uploaded by a malicious package maintainer,
their session can be hijacked to upload packages or
documentation, amend maintainers or other package metadata, or
perform any other action the user is authorised to do.&lt;/p&gt;</content:encoded>
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