prevent xss javascript injection through facet values #151
Conversation
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
1 participant
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Outdated suggestions cannot be applied.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.
We recently noticed a xss attempt using the following url:
solr-search?q=&facet=itemtype:%22New%3Cimg%20src=x%20onerror=alert(document.domain)%3E%22They used inline javascript in a img-tag in the facet part of the query url.
These facet values aren't sanitized at the moment and are being displayed here:
https://github.com/biblibre/omeka-plugin-SolrSearch/blob/bf1e4b2403d1d998854427e31ebc73ecc7e4d9e4/views/shared/results/index.php#L45
This pr adds adds htmlspecialchars and strip_tags to sanitize the facet values in the function parseFacets