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VulnerabilityPublished Updated

CVE-2025-10290: Mozilla Focus for iOS · CWE-451

Affects Mozilla Focus for iOSSource CVE Database V5

0

Not known to be exploited · CVSS 6.5 Medium : upgrade to 143.0 when convenient.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 16% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 143.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Sep 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade Mozilla Focus for iOS to 143.0.

Affected software

ProductAffectedFixed in
Mozilla Focus for iOSAffected
  • <143.0
Fixed in
  • 143.0

AI-suggested

A fix is available in Mozilla Focus for iOS version 143.0. Users and administrators should update to this version to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.

Description

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.

References

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