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A security vulnerability in Thunderbird allowed malicious sites to use redirects to send credentialed requests to arbitrary endpoints on any site that had invoked the Storage Access API. This enabled potential Cross-Site Request Forgery attacks across origins. This vulnerability affects Firefox < 138 and Thunderbird < 138.
Reserved 2025-04-29 | Published 2025-04-29 | Updated 2025-05-01 | Assigner mozillaCross-site request forgery via storage access API redirects
Chris P. Fredrickson
bugzilla.mozilla.org/show_bug.cgi?id=1953521
www.mozilla.org/security/advisories/mfsa2025-28/
www.mozilla.org/security/advisories/mfsa2025-31/
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