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CVE-2022-2856: Google Chromium Intents Insufficient Input Validation Vulnerability

criticalknown exploitedCVE-2022-2856
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Google Chromium Intents contains an insufficient validation of untrusted input vulnerability that allows a remote attacker to browse to a malicious website via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

CSIRTS triage

vendor: Googleproduct: ChromiumRemote code executionOther
What
The vulnerability allows a remote attacker to navigate to a malicious website due to insufficient input validation.
Who is affected
Web browsers utilizing Chromium, including Google Chrome, Microsoft Edge, and Opera, are affected.
Urgency
Remediation is critical as exploitation is possible and the severity is high.
Action
Update the web browser to the latest version that includes the fix.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-08-18
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-2856

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2022-2856coverage & exploitation statusNVD · CVE.org

Recent advisories for Google Chromium Intents

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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