Anubis is a Web AI Firewall Utility that weighs the soul of users' connections using one or more challenges in order to protect upstream resources from scraper bots. In versions 1.21.2 and below, attackers can craft malicious pass-challenge pages that cause a user to execute arbitrary JavaScript code or trigger other nonstandard schemes. An incomplete version of this fix was tagged at 1.21.2 and then the release process was aborted upon final testing. To work around this issue: block any requests to the /.within.website/x/cmd/anubis/api/pass-challenge route with the ?redir= parameter set to anything that doesn't start with the URL scheme http, https, or no scheme (local path redirect). This was fixed in version 1.21.3.
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Mon, 28 Jul 2025 15:15:00 +0000
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Sat, 26 Jul 2025 03:45:00 +0000
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Description | Anubis is a Web AI Firewall Utility that weighs the soul of users' connections using one or more challenges in order to protect upstream resources from scraper bots. In versions 1.21.2 and below, attackers can craft malicious pass-challenge pages that cause a user to execute arbitrary JavaScript code or trigger other nonstandard schemes. An incomplete version of this fix was tagged at 1.21.2 and then the release process was aborted upon final testing. To work around this issue: block any requests to the /.within.website/x/cmd/anubis/api/pass-challenge route with the ?redir= parameter set to anything that doesn't start with the URL scheme http, https, or no scheme (local path redirect). This was fixed in version 1.21.3. | |
Title | Anubis accepts crafted redirect URLs in pass-challenge 'Try Again' buttons | |
Weaknesses | CWE-601 CWE-80 |
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cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2025-07-26T03:30:28.951Z
Updated: 2025-07-28T14:12:08.914Z
Reserved: 2025-07-21T23:18:10.280Z
Link: CVE-2025-54414

Updated: 2025-07-28T14:12:00.853Z

Status : Awaiting Analysis
Published: 2025-07-26T04:16:06.987
Modified: 2025-07-29T14:14:55.157
Link: CVE-2025-54414

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