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NVD Vulnerability Details :
CVE-2025-5263
Modified
More InfoOfficial Page
Source-security@mozilla.org
View Known Exploited Vulnerability (KEV) details
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
0Changes found
Details not found