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{
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"schema_version": "1.4.0",
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"id": "GHSA-7899-w6c4-vqc4",
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"modified": "2025-05-05T17:03:20Z",
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"published": "2025-05-05T17:03:20Z",
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"aliases": [
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"CVE-2025-46553"
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],
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"summary": "@misskey-dev/summaly Redirect Filter Bypass",
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"details": "### Summary\nA logic error in the main `summaly` function causes the `allowRedirects` option to never be passed to any plugins, and as a result, isn't enforced.\n\n### Details\nIn the main `summaly` function, a new `scrapingOptions` object is created and passed to either the matched plugin, if any, or the default summarize function. The issue here is that the new `scrapingOptions` object is not provided the `allowRedirects` property of `opts`.\n\n### PoC\n- Publish a post containing a link to any URL that redirects on Misskey.\n- A preview will be generated for the target of the redirect, despite Misskey passing `allowRedirects: false`.\n\n### Impact\nMisskey will follow redirects, despite explicitly requesting not to.",
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"severity": [
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{
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"type": "CVSS_V4",
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"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:P"
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}
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],
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"affected": [
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{
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"package": {
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"ecosystem": "npm",
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"name": "@misskey-dev/summaly"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "3.0.1"
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},
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{
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"fixed": "5.2.1"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"type": "WEB",
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"url": "https://github.com/misskey-dev/summaly/security/advisories/GHSA-7899-w6c4-vqc4"
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},
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{
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"type": "WEB",
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"url": "https://github.com/misskey-dev/summaly/commit/45153b4f08a772c395a13f7a25399dd87ed022ed"
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},
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{
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"type": "PACKAGE",
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"url": "https://github.com/misskey-dev/summaly"
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}
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],
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"database_specific": {
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"cwe_ids": [
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"CWE-601",
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"CWE-665",
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"CWE-669",
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"CWE-693"
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],
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"severity": "LOW",
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"github_reviewed": true,
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"github_reviewed_at": "2025-05-05T17:03:20Z",
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"nvd_published_at": null
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}
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}

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