CVE-2025-10290
CVE-2025-10290 is a medium-severity vulnerability in Mozilla Firefox Focus with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-451.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 0% (14th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-29552
- Weakness: CWE-451
- Affected product: Mozilla Firefox Focus
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-10290?
- 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.
- How severe is CVE-2025-10290?
- CVE-2025-10290 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2025-10290 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-10290?
- CVE-2025-10290 affects Mozilla Firefox Focus. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-10290?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-10290 have an EU (EUVD) identifier?
- Yes. CVE-2025-10290 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29552.
- When was CVE-2025-10290 published?
- CVE-2025-10290 was published on 2025-09-16 and last updated on 2026-06-17.
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1975566
- https://www.mozilla.org/security/advisories/mfsa2025-76/
Affected products (1)
- cpe:2.3:a:mozilla:firefox_focus:*:*:*:*:*:iphone_os:*:*
More vulnerabilities in Mozilla Firefox Focus
- CVE-2025-55031 — Critical (CVSS 9.8): Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An…
- CVE-2022-26486 — Critical (CVSS 9.6): An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We…
- CVE-2023-29534 — Critical (CVSS 9.1): Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android. These could have…
- CVE-2022-26485 — High (CVSS 8.8): Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of…
- CVE-2024-1563 — High (CVSS 8.1): An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an…
- CVE-2026-8945 — High (CVSS 7.5): Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.
All CVEs affecting Mozilla Firefox Focus →
Other CWE-451 vulnerabilities
- CVE-2026-2634 — Critical (CVSS 9.8): Malicious scripts could cause desynchronization between the address bar and web content before a response is received…
- CVE-2026-0907 — Critical (CVSS 9.8): Incorrect security UI in Split View in Google Chrome prior to 144.0.7559.59 allowed a remote attacker to perform UI…
- CVE-2026-0906 — Critical (CVSS 9.8): Incorrect security UI in Google Chrome on Android prior to 144.0.7559.59 allowed a remote attacker to spoof the…
- CVE-2025-8043 — Critical (CVSS 9.8): Focus incorrectly truncated URLs towards the beginning instead of around the origin. This vulnerability was fixed in…
- CVE-2026-11175 — High (CVSS 8.8): Incorrect security UI in Messages in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker to…
- CVE-2026-11172 — High (CVSS 8.8): Incorrect security UI in Contact Picker in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker to…