CVE-2025-10529

Sept. 17, 2025, 6:15 p.m.

6.5
Medium

Description

This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.

Product(s) Impacted

Vendor Product Versions
Mozilla
  • Firefox
  • Firefox Esr
  • <143
  • <140.3

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-942
Permissive Cross-domain Policy with Untrusted Domains
The product uses a cross-domain policy file that includes domains that should not be trusted.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a mozilla firefox <143 / / / / / / /
a mozilla firefox_esr <140.3 / / / / / / /

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1970490
https://www.mozilla.org/security/advisories/mfsa2025-73/
https://www.mozilla.org/security/advisories/mfsa2025-75/
https://www.mozilla.org/security/advisories/mfsa2025-77/
https://www.mozilla.org/security/advisories/mfsa2025-78/

Tags

CWE-942
security@mozilla.org
2025-09-16
CVE-2025-10529

CVSS Score

6.5 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: LOW
  • Integrity Impact: LOW
  • Availability Impact: NONE

    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

    View Vector String

Timeline

Published: Sept. 16, 2025, 1:15 p.m.
Last Modified: Sept. 17, 2025, 6:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security@mozilla.org

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.