CVE detail
CVE-2026-53900
Firefox for iOS preserved cookies set on the initial PDF request across cross-origin HTTP redirects in TemporaryDocument, allowing a malicious site to inject arbitrary cookies into requests to an unrelated target domain. This vulnerability was fixed in Firefox for iOS 152.0.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 11.0 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
2 source links · newest first
- https://www.mozilla.org/security/advisories/mfsa2026-56/www.mozilla.org
No excerpt available.
Vendor Advisorywww.mozilla.orgJun 16, 2026, 1:16 PM - https://bugzilla.mozilla.org/show_bug.cgi?id=2043204bugzilla.mozilla.org
No excerpt available.
Exploitbugzilla.mozilla.orgJun 16, 2026, 1:16 PM
Exploit code
Public exploit repository references
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0 repository references · best confidence N/A · max 0 stars
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