cvedb.io
CVE-2026-53900
MEDIUM · CVSS 4.3
EPSS exploitation probability: 0%
Published 2026-06-16T13:16:37.517 · Last modified 2026-06-17T16:31:19.253

Summary

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

mozilla — firefox_mobile

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.