Vulnerability Details CVE-2025-24017
YesWiki is a wiki system written in PHP. Versions up to and including 4.4.5 are vulnerable to any end-user crafting a DOM based XSS on all of YesWiki's pages which is triggered when a user clicks on a malicious link. The vulnerability makes use of the search by tag feature. When a tag doesn't exist, the tag is reflected on the page and isn't properly sanitized on the server side which allows a malicious user to generate a link that will trigger an XSS on the client's side when clicked. This vulnerability allows any user to generate a malicious link that will trigger an account takeover when clicked, therefore allowing a user to steal other accounts, modify pages, comments, permissions, extract user data (emails), thus impacting the integrity, availability and confidentiality of a YesWiki instance. Version 4.5.0 contains a patch for the issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 8.3%
CVSS Severity
CVSS v3 Score 7.6
References
Products affected by CVE-2025-24017
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cpe:2.3:a:yeswiki:yeswiki:-
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cpe:2.3:a:yeswiki:yeswiki:4.1.0
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cpe:2.3:a:yeswiki:yeswiki:4.1.1
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cpe:2.3:a:yeswiki:yeswiki:4.1.2
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cpe:2.3:a:yeswiki:yeswiki:4.1.3
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cpe:2.3:a:yeswiki:yeswiki:4.1.4
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cpe:2.3:a:yeswiki:yeswiki:4.1.5
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cpe:2.3:a:yeswiki:yeswiki:4.2.0
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cpe:2.3:a:yeswiki:yeswiki:4.2.1
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cpe:2.3:a:yeswiki:yeswiki:4.2.2
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cpe:2.3:a:yeswiki:yeswiki:4.2.3
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cpe:2.3:a:yeswiki:yeswiki:4.2.4
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cpe:2.3:a:yeswiki:yeswiki:4.3.0
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cpe:2.3:a:yeswiki:yeswiki:4.3.1
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cpe:2.3:a:yeswiki:yeswiki:4.4.0
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cpe:2.3:a:yeswiki:yeswiki:4.4.1
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cpe:2.3:a:yeswiki:yeswiki:4.4.2
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cpe:2.3:a:yeswiki:yeswiki:4.4.3
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cpe:2.3:a:yeswiki:yeswiki:4.4.4
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cpe:2.3:a:yeswiki:yeswiki:4.4.5