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CVE Vulnerability Details :
CVE-2025-5263
PUBLISHED
More InfoOfficial Page
Assigner-mozilla
Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe
View Known Exploited Vulnerability (KEV) details
Published At-27 May, 2025 | 12:29
Updated At-13 Apr, 2026 | 14:27
Rejected At-
▼CVE Numbering Authority (CNA)
Error handling for script execution was incorrectly isolated from web content

Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.

Affected Products
Vendor
Mozilla CorporationMozilla
Product
Firefox
Versions
Unaffected
  • From 115.24 through 115.* (rpm)
  • From 128.11 through 128.* (rpm)
  • From 139 through * (rpm)
Vendor
Mozilla CorporationMozilla
Product
Thunderbird
Versions
Unaffected
  • From 128.11 through 128.* (rpm)
  • From 139 through * (rpm)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
terjanq
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1960745
N/A
https://www.mozilla.org/security/advisories/mfsa2025-42/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-43/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-44/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-45/
N/A
https://www.mozilla.org/security/advisories/mfsa2025-46/
N/A
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1960745
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-42/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-43/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-44/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-45/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-46/
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-346CWE-346 Origin Validation Error
Type: CWE
CWE ID: CWE-346
Description: CWE-346 Origin Validation Error
Metrics
VersionBase scoreBase severityVector
3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://lists.debian.org/debian-lts-announce/2025/05/msg00046.html
N/A
https://lists.debian.org/debian-lts-announce/2025/05/msg00043.html
N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2025/05/msg00046.html
Resource: N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2025/05/msg00043.html
Resource: N/A
Details not found