CVE-2025-10290: Opening links via the contextual menu in Focus iOS for certain URL schemes would fail to load but would not re

Q: How do I fix CVE-2025-10290?

firefox focus: upgrade to 143.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-10290 being exploited?

CVE-2025-10290 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-10290 affect?

CVE-2025-10290 affects firefox focus. Severity is medium (CVSS 6.5). Opening links via the contextual menu in Focus iOS for certain URL schemes would fail to load but would not refresh the toolbar correctly, allowing attackers to spoof websites if users were coerced into opening a link explicitly through a l

Q: How urgent is CVE-2025-10290?

Priority 27/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2025-10290 is a medium-severity flaw (CVSS 6.5) affecting firefox focus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Opening links via the contextual menu in Focus iOS for certain URL schemes would fail to load but would not refresh the toolbar correctly, allowing attackers to spoof websites if users were coerced into opening a link explicitly through a long-press. This vulnerability was fixed in Focus for iOS 143.0.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 84%)
CISA exploited list	No
Weakness	CWE-451
Published	2025-09-16
Last modified	2026-10-23

Publisher (CNA): Mozilla Corporation · Vendor: mozilla

Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-16 13:15 UTCPublished CVE record published
2026-10-23 22:10 UTCUpdated Record last modified

mozilla firefox focus UPGRADE

Affected: < 143.0

Fixed in: 143.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy firefox-focus || rpm -q firefox-focus || firefox-focus --version

2. UPGRADE to 143.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade firefox-focus

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade firefox-focus

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-10290?

firefox focus: upgrade to 143.0. Exact commands for each OS are on this page.

Is CVE-2025-10290 being exploited?

CVE-2025-10290 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-10290 affect?

CVE-2025-10290 affects firefox focus. Severity is medium (CVSS 6.5). Opening links via the contextual menu in Focus iOS for certain URL schemes would fail to load but would not refresh the toolbar correctly, allowing attackers to spoof websites if users were coerced into opening a link explicitly through a l

How urgent is CVE-2025-10290?

Priority 27/100. No elevated risk signals yet.

Software pages

iOS vulnerabilities · Mozilla Firefox vulnerabilities

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References

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