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Vulnerability Details :

CVE-2025-5263

Summary
Assigner-mozilla
Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At-27 May, 2025 | 12:29
Updated At-13 Apr, 2026 | 14:27
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mozilla
Assigner Org ID:f16b083a-5664-49f3-a51e-8d479e5ed7fe
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
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@mozilla.org
Published At:27 May, 2025 | 13:15
Updated At:13 Apr, 2026 | 15:17

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Type: Secondary
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
CPE Matches

Mozilla Corporation
mozilla
>>firefox>>Versions before 115.24.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Mozilla Corporation
mozilla
>>firefox>>Versions before 139.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:-:*:*
Mozilla Corporation
mozilla
>>firefox>>Versions from 116.0(inclusive) to 128.11.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Weaknesses
CWE IDTypeSource
CWE-346Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-346
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1960745security@mozilla.org
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-42/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-43/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-44/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-45/security@mozilla.org
N/A
https://www.mozilla.org/security/advisories/mfsa2025-46/security@mozilla.org
N/A
https://lists.debian.org/debian-lts-announce/2025/05/msg00043.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
https://lists.debian.org/debian-lts-announce/2025/05/msg00046.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1960745
Source: security@mozilla.org
Resource:
Permissions Required
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-42/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-43/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-44/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-45/
Source: security@mozilla.org
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-46/
Source: security@mozilla.org
Resource: N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2025/05/msg00043.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2025/05/msg00046.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A

Change History

0
Information is not available yet

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