Add patched version for CVE-2018-18307 in alchemy_cms #917
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Fixed in v7.4.10 via filename sanitization. The vulnerability was a stored XSS attack via the /admin/pictures image filename field. The fix sanitizes filenames during upload to prevent malicious content from being stored and executed. Ref: AlchemyCMS/alchemy_cms#3375 Ref: https://github.com/AlchemyCMS/alchemy_cms/releases/tag/v7.4.10
postmodern
approved these changes
Nov 7, 2025
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This PR adds the patched version information for CVE-2018-18307 in AlchemyCMS.
Summary
The stored XSS vulnerability (CVE-2018-18307) via the /admin/pictures image filename field has been fixed in AlchemyCMS v7.4.10.
Changes
patched_versions: [">= 7.4.10"]to the advisorynotes: Never patchedas it's now patchedReferences
The fix sanitizes filenames during upload to prevent malicious content from being stored and executed.