Mozilla Firefox up to 138.0.4 cross-domain policy

Summaryinfo

A vulnerability, which was classified as critical, was found in Mozilla Firefox. This vulnerability affects unknown code. The manipulation results in cross-domain policy. This vulnerability was named CVE-2025-5263. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Mozilla Firefox. Affected is some unknown functionality. The manipulation with an unknown input leads to a cross-domain policy vulnerability. CWE is classifying the issue as CWE-942. The product uses a cross-domain policy file that includes domains that should not be trusted. This is going to have an impact on confidentiality. CVE summarizes:

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

The advisory is shared for download at bugzilla.mozilla.org. This vulnerability is traded as CVE-2025-5263 since 05/27/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 08/16/2025).

The vulnerability scanner Nessus provides a plugin with the ID 237301 (Mozilla Firefox ESR < 115.24), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 139 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (237301) and CERT Bund (WID-SEC-2025-1850). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• Xerox FreeFlow Print Server

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.7.1
• 0.7.2
• 0.7.3
• 0.8
• 0.9
• 0.9.1
• 0.9.2
• 0.9.2.1
• 0.9.3
• 0.9.4
• 0.9.4.1
• 0.9.5
• 0.9.6
• 0.9.7
• 0.9.8
• 0.9.9
• 0.9.35
• 0.9.48
• 0.10
• 0.10.1
• 1.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.0.5
• 1.0.6
• 1.0.7
• 1.0.8
• 1.0.9
• 1.1
• 1.1.8
• 1.2
• 1.2.1
• 1.3
• 1.3.1
• 1.4
• 1.4.1
• 1.4.2
• 1.4.4
• 1.5
• 1.5.0.1
• 1.5.0.2
• 1.5.0.3
• 1.5.0.4
• 1.5.0.5
• 1.5.0.6
• 1.5.0.7
• 1.5.0.8
• 1.5.0.9
• 1.5.0.10
• 1.5.0.11
• 1.5.0.12
• 1.5.0.14
• 1.5.1
• 1.5.2
• 1.5.3
• 1.5.4
• 1.5.5
• 1.5.6
• 1.5.7
• 1.5.8
• 1.6
• 1.7
• 1.7.1
• 1.7.2
• 1.7.3
• 1.8
• 2
• 2.0
• 2.0 .4
• 2.0 8
• 2.0.0.1
• 2.0.0.2
• 2.0.0.3
• 2.0.0.4
• 2.0.0.5
• 2.0.0.6
• 2.0.0.7
• 2.0.0.8
• 2.0.0.9
• 2.0.0.10
• 2.0.0.11
• 2.0.0.12
• 2.0.0.13
• 2.0.0.14
• 2.0.0.15
• 2.0.0.16
• 2.0.0.17
• 2.0.0.18
• 2.0.0.19
• 2.0.0.20
• 2.0.1
• 2.0.4
• 2.0.5
• 2.0.6
• 2.0.7
• 2.0.9
• 2.0.10
• 2.1
• 2.2
• 2.5
• 3
• 3.0
• 3.0.1
• 3.0.2
• 3.0.3
• 3.0.4
• 3.0.5
• 3.0.6
• 3.0.7
• 3.0.8
• 3.0.9
• 3.0.10
• 3.0.11
• 3.0.12
• 3.0.13
• 3.0.14
• 3.0.15
• 3.0.16
• 3.0.17
• 3.0.19
• 3.0beta5
• 3.1
• 3.5
• 3.5.1
• 3.5.2
• 3.5.3
• 3.5.4
• 3.5.5
• 3.5.6
• 3.5.7
• 3.5.8
• 3.5.9
• 3.5.10
• 3.5.11
• 3.5.12
• 3.5.13
• 3.5.14
• 3.5.15
• 3.5.16
• 3.5.17
• 3.5.18
• 3.5.19
• 3.6
• 3.6.1
• 3.6.2
• 3.6.3
• 3.6.4
• 3.6.6
• 3.6.7
• 3.6.8
• 3.6.9
• 3.6.10
• 3.6.11
• 3.6.12
• 3.6.13
• 3.6.14
• 3.6.15
• 3.6.16
• 3.6.17
• 3.6.18
• 3.6.19
• 3.6.20
• 3.6.21
• 3.6.22
• 3.6.26
• 3.6.28
• 3.7
• 3.11.5
• 4.0
• 4.0.1
• 5.0
• 5.0.1
• 6.0
• 6.0.1
• 6.0.2
• 7.0
• 7.0.1
• 8.0
• 8.0 for Mac
• 8.0.1
• 8.1
• 8.2
• 9.0
• 9.0.1
• 9.1
• 10.0
• 10.0.1
• 10.0.2
• 10.0.3
• 10.0.4
• 10.0.5
• 10.0.7
• 10.1
• 10.2
• 11.0
• 12.0
• 13.0
• 14
• 14.0.1
• 15
• 15.0.1 (downgrade)
• 15.0a1
• 16
• 16.0.1
• 16.0.2
• 17.0
• 17.0.1
• 17.0.2
• 17.0.3
• 17.0.4
• 17.0.5
• 17.0.6
• 18.0
• 19.0
• 19.0.1
• 19.0.2
• 20.0
• 20.0.1
• 21.0
• 22.0
• 23.0
• 23.0.1
• 24.0
• 24.0.1
• 24.0.2
• 24.1.0
• 24.1.1
• 24.2
• 24.3
• 24.4
• 24.5
• 24.7
• 25
• 25.0
• 25.0.1
• 26
• 26.0
• 27
• 27.0
• 28
• 28.0
• 28.0.1
• 29.0
• 29.0.1
• 30.0
• 31
• 31.0
• 31.1.0
• 31.1.1
• 31.2
• 31.3.0
• 32.0
• 33
• 33.0
• 34
• 34.0
• 34.0.5
• 35
• 36
• 36.0.3
• 36.0.4
• 37
• 37.0
• 37.0.1
• 37.0.2
• 38
• 38.0
• 39
• 39.0
• 39.0.3
• 40
• 40.0.3
• 41
• 41.0
• 41.0.1
• 42
• 43
• 43.0
• 44
• 44.0.2
• 45
• 45.0
• 45.6
• 47.0
• 48
• 49
• 49.0
• 49.0.2
• 50
• 50.0.1
• 50.0.2
• 50.1
• 51
• 51.0.3
• 52
• 52.6
• 52.8
• 53
• 54.0
• 55
• 56
• 57
• 57.0.1
• 58.0
• 58.0.1
• 59
• 59.0.1
• 60
• 60.0
• 60.0.2
• 61
• 62.0
• 62.0.3
• 63.0
• 64
• 64.0
• 65
• 65.0.0
• 65.0.1
• 66
• 66.0
• 67
• 67.0
• 67.0.2
• 67.0.3
• 67.0.4
• 68.0
• 68.0.2
• 68.7
• 68.11
• 68.12
• 69.0
• 69.0.1
• 70
• 70.0
• 71
• 71.0
• 72
• 72.0
• 74.0
• 74.0.0
• 74.0.1
• 75.0
• 76
• 76.0
• 77
• 77.0
• 78.0
• 78.4
• 78.7
• 78.10.1
• 80.0
• 81.0
• 82
• 82.0
• 83.0
• 84.0
• 85.0
• 86.0
• 87.0
• 88.0
• 89.0
• 89.0.1
• 90.0
• 91.0
• 91.0.1
• 91.7
• 91.8
• 92.0
• 93.0
• 94.0
• 95.0
• 96
• 97
• 98
• 99
• 100
• 101
• 102
• 102.2
• 102.6
• 103
• 104
• 105
• 106
• 107
• 108
• 109
• 110
• 110.1
• 111
• 112
• 113
• 114
• 115
• 115.0.2
• 115.6
• 115.9
• 115.23
• 115.23.1
• 116
• 117
• 118
• 119
• 120
• 121
• 122
• 123
• 124
• 124.0.1
• 125
• 126
• 127
• 128
• 128.3
• 128.7
• 128.9
• 128.10
• 128.11
• 129
• 130
• 130.0.1
• 131
• 131.0.2
• 131.0.3
• 131.2
• 132
• 133
• 134
• 135
• 135.0.1
• 136
• 136.0.4
• 137
• 137.0.2
• 138
• 138.0.4

License

• open-source

Website

• Vendor: https://www.mozilla.org/
• Product: https://www.mozilla.org/en-US/firefox/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

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