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        "state": "PUBLISHED",
        "assignerShortName": "redhat-cnalr",
        "dateReserved": "2026-04-13T15:23:17.068Z",
        "datePublished": "2026-04-23T15:00:09.063Z",
        "dateUpdated": "2026-04-23T16:22:06.841Z"
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            },
            "title": "Hackage package metadata stored XSS vulnerability",
            "datePublic": "2026-03-28T19:05:00.000Z",
            "problemTypes": [
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                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-79",
                            "description": "CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')",
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                    "value": "In hackage-server, user-controlled metadata from .cabal files are rendered into HTML\nhref attributes without proper sanitization, enabling stored\nCross-Site Scripting (XSS) attacks.",
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                    "url": "https://osv.dev/vulnerability/HSEC-2026-0004"
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                        "userInteraction": "NONE",
                        "scope": "CHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
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                                        "Exploitation": "none"
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