> CVE-2026-53900

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PUBLISHED
2026-06-16 13:16
MODIFIED
2026-06-16 13:16
EPSS (Prob. Exploit)
0.10%
Top 99.2%
DATA SOURCES:
NVD 🔗 2026-06-16 FIRST EPSS 🔗 2026-11-01 OSV 🔗 2026-11-02

> DESCRIPTION

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.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Cookie injection was possible when opening a PDF link

AFFECTED PACKAGES:
Unknown / Unknown
28 versions affected

> HISTORIQUE DES MODIFICATIONS

Première apparition
16/06/2026 13:16
Source: NVD
Total des modifications: 0 Dernière mise à jour: 4 months ago

> REFERENCES

https://bugzilla.mozilla.org/show_bug.cgi?id=2043204
https://www.mozilla.org/security/advisories/mfsa2026-56/
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