CVE-2020-15662

6.5 mediumEPSS 0.7%

Medium (6.5) in mozilla firefox mobile. EPSS 0.7% chance of exploitation in the next 30 days.

A rogue webpage could override the injected WKUserScript used by the download feature, this exploit could result in the user downloading an unintended file. This vulnerability affects Firefox for iOS < 28.

Severity

CVSS 3.1

6.5 medium

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
Published: 2020-08-10
Modified: 2026-08-19
Record from: the NVD, synced 2026-10-19

Affected

mozilla:firefox_mobile

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1653827
https://www.mozilla.org/security/advisories/mfsa2020-34/
https://bugzilla.mozilla.org/show_bug.cgi?id=1653827
https://www.mozilla.org/security/advisories/mfsa2020-34/

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