Add patched version for CVE-2018-18307 in alchemy_cms#917
Merged
postmodern merged 1 commit intorubysec:masterfrom Nov 7, 2025
Merged
Add patched version for CVE-2018-18307 in alchemy_cms#917postmodern merged 1 commit intorubysec:masterfrom
postmodern merged 1 commit intorubysec:masterfrom
Conversation
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
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
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.