Privilege escalation via invalid extension data
Published Jan 15, 2025 · Updated Mar 19, 2025
Insufficient data validation in Chrome Extensions before 132.0.6834.83 allows remote attackers to escalate privileges via crafted HTML. Google has not publicly disclosed which Extensions code path accepts the invalid data or how that operation elevates privilege; the linked issue is not publicly accessible. Exploitation requires specific UI gestures on the crafted page, and success grants elevated browser privileges.
Summary
What happened
Insufficient data validation in Chrome Extensions before 132.0.6834.83 allows remote attackers to escalate privileges via crafted HTML. Google has not publicly disclosed which Extensions code path accepts the invalid data or how that operation elevates privilege; the linked issue is not publicly accessible. Exploitation requires specific UI gestures on the crafted page, and success grants elevated browser privileges.
The record
- CVE
- CVE-2025-0443
- Published
- Jan 15, 2025
- Updated
- Mar 19, 2025
- Vendor
- Google Cloud
- Product
- Google Chrome
- Classifications
- CWE-79, T1203
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 15, 2025CVE publishedPublication date reported by the CVE source.
- Mar 19, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=132.0.6834.83 <132.0.6834.83
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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