CVE-2021-30533

MEDIUM KEV

Google Chrome <91.0.4472.77 - CSRF

Title source: llm

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.

References (6)

[Release Notes, Vendor Advisory] https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html

[Exploit, Issue Tracking, Patch, Vendor Advisory] https://crbug.com/1145553

[Mailing List, Release Notes] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/

[Mailing List, Release Notes] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/

[Third Party Advisory] https://security.gentoo.org/glsa/202107-06

[US Government Resource] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30533

Scores

CVSS v3 6.5

EPSS 0.1053

EPSS Percentile 93.3%

Attack Vector NETWORK

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

Details

CISA KEV 2022-06-27

VulnCheck KEV 2021-08-16

InTheWild.io 2021-08-16

ENISA EUVD EUVD-2021-17454

CWE

CWE-863

Status published

Products (3)

fedoraproject/fedora 33

fedoraproject/fedora 34

google/chrome < 91.0.4472.77

Published Jun 07, 2021

KEV Added Jun 27, 2022

Tracked Since Feb 18, 2026