CVE-2021-30533

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2021-30533

Confirmed

Yes

2022-06-27 00:00 UTC

Timestamps

2022-06-27

2022-06-27

Scope

KEV entry: Google Chromium PopupBlocker Security Bypass Vulnerability | Affected: Google / Chromium PopupBlocker | Description: Google Chromium PopupBlocker contains an insufficient policy enforcement vulnerability that allows a remote attacker to bypass navigation restrictions via a crafted iframe. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. | Required action: Apply updates per vendor instructions. | Due date: 2022-07-18 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-30533

References
  • {'id': 'CVE-2021-30533', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-30533'}

09e0627d-76ba-4925-b8df-59c24f3a3988

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:25 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-863"
  ],
  "date_added": "2022-06-27",
  "due_date": "2022-07-18",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Chromium PopupBlocker",
  "vendorProject": "Google",
  "vulnerabilityName": "Google Chromium PopupBlocker Security Bypass Vulnerability"
}
 -
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