CVE Explorer
CVE-2026-53899
Firefox for iOS used partial domain matching when attaching cookies to PDF requests, allowing a malicious site on a suffix domain to receive cookies belonging to the target site. This vulnerability was fixed in Firefox for iOS 152.0.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"Firefox for iOS","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"152.0","versionType":"rpm"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:2e1bfc9983a34a4b4b12d04965253d4a09905a0863b168fa5ec2b04b730b1f8e · sha256:5fe3af6bf3a69a40… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:2e1bfc9983a34a4b4b12d04965253d4a09905a0863b168fa5ec2b04b730b1f8e · sha256:5fe3af6bf3a69a40… · /containers/adp/0/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-345","description":"CWE-345 Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:2e1bfc9983a34a4b4b12d04965253d4a09905a0863b168fa5ec2b04b730b1f8e · sha256:5fe3af6bf3a69a40… · /containers/adp/0/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2042909"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:2e1bfc9983a34a4b4b12d04965253d4a09905a0863b168fa5ec2b04b730b1f8e · sha256:5fe3af6bf3a69a40… · /containers/cna/references/0
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-56/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:2e1bfc9983a34a4b4b12d04965253d4a09905a0863b168fa5ec2b04b730b1f8e · sha256:5fe3af6bf3a69a40… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.