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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-15662

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.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2020-15662
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 06:16 UTC · Revision 1

Source evidence

CVE-2020-15662

core-osv · Original source

Published 10 Aug 2020, 18:15 UTC

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.

osv:CVE-2020-15662
Complete source record
{
  "id": "501b10e9e93addafe508ef0595bab4ec17959a94634af53c123643ef9c13afd7",
  "url": "https://osv.dev/vulnerability/CVE-2020-15662",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-15662",
    "summary": "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.",
    "evidence": "osv:CVE-2020-15662",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-15662",
      "aliases": [
        "CVE-2020-15662"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mozilla-mobile/firefox-ios",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "90ac99ad110dd8bf35b10f1be67345d634ba4ccf"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:iphone_os:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "28.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "20.1",
            "AuroraV15",
            "AuroraV14",
            "AuroraV13",
            "AuroraV11",
            "AuroraV10",
            "AuroraV8",
            "AuroraV7",
            "AuroraV6",
            "AuroraV2",
            "AuroraV1",
            "AuroraV3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15662.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:37.524845723Z",
      "provider": "osv",
      "references": [
        "https://www.mozilla.org/security/advisories/mfsa2020-34/",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=1653827"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-15662",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 434241,
  "published_at": "2020-08-10T18:15:12.827+00:00"
}