CVE-2021-30533: Google Chromium PopupBlocker Security Bypass Vulnerability
Medium · CVSS 6.5 (CVSS 3.1)KEV known exploitedEPSS 16.7%, 97th percentilePublished Updated Assigner: Chrome
In CISA’s Known Exploited Vulnerabilities catalog: Google Chromium PopupBlocker Security Bypass Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
Description
Insufficient policy enforcement in PopupBlocker in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass navigation restrictions via a crafted iframe.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Google: Chrome
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html (opens in new tab)
- crbug.com/1145553 (opens in new tab)
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZ… (opens in new tab)
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6… (opens in new tab)
- security.gentoo.org/glsa/202107-06 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)