CVE-2021-30533 · netVigilance record NV22-0471

Google Chromium PopupBlocker Security Bypass

past due

What to do

Apply updates per vendor instructions.

CISA deadline 2022-07-18 · passed 4 years 1 month ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

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.

Who is affected

Google Chromium PopupBlocker. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-863.

Timeline

2022-06-27
Added to CISA KEVExploitation in the wild confirmed by CISA
2022-07-18
CISA remediation deadlinepassed 4 years 1 month ago

Sources

NVD entry for CVE-2021-30533 nvd.nist.gov/vuln/detail/CVE-2021-30533
CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2021-30533