CVE-2025-55030 — MEDIUM (6.1)

Q: How severe is CVE-2025-55030?

CVE-2025-55030 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-55030?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.

Vulnerability Description

Firefox for iOS would not respect a Content-Disposition header of type Attachment and would incorrectly display the content inline rather than downloading, potentially allowing for XSS attacks. This vulnerability was fixed in Firefox for iOS 142.

CVSS Score

6.1

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Mozilla	Firefox	< 142.0

Related Weaknesses (CWE)

CWE-640

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1976304Issue TrackingPermissions Required
https://www.mozilla.org/security/advisories/mfsa2025-68/Vendor Advisory

FAQ

What is CVE-2025-55030?

CVE-2025-55030 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Firefox for iOS would not respect a Content-Disposition header of type Attachment and would incorrectly display the content inline rather than downloading, potentially allowing for XSS attacks. This v...

How severe is CVE-2025-55030?

CVE-2025-55030 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-55030?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.