Inappropriate implementation in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via… (CVE-2026-17878)
Inappropriate implementation in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: Medium)
AI Analysis
Technical Summary
The vulnerability arises from an inappropriate implementation of CSS in Google Chrome versions before 151.0.7922.72. This flaw permits remote attackers to inject arbitrary scripts or HTML content through a crafted HTML page, leading to a UXSS vulnerability. The issue was addressed in Chrome version 151.0.7922.72. There is no CVSS score available, and no known exploits have been reported.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary scripts or inject HTML content in the context of the victim's browser, potentially leading to unauthorized actions or data exposure within the affected browser session. The Chromium security team rates this vulnerability as medium severity.
Mitigation Recommendations
Users should update Google Chrome to version 151.0.7922.72 or later to remediate this vulnerability. Since this is a client-side browser vulnerability, applying the official update is the recommended and effective mitigation. No additional vendor advisories or temporary workarounds are provided.
Inappropriate implementation in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via… (CVE-2026-17878)
Description
Inappropriate implementation in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: Medium)
CVSS v3.1
Score 6.1medium
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability arises from an inappropriate implementation of CSS in Google Chrome versions before 151.0.7922.72. This flaw permits remote attackers to inject arbitrary scripts or HTML content through a crafted HTML page, leading to a UXSS vulnerability. The issue was addressed in Chrome version 151.0.7922.72. There is no CVSS score available, and no known exploits have been reported.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary scripts or inject HTML content in the context of the victim's browser, potentially leading to unauthorized actions or data exposure within the affected browser session. The Chromium security team rates this vulnerability as medium severity.
Mitigation Recommendations
Users should update Google Chrome to version 151.0.7922.72 or later to remediate this vulnerability. Since this is a client-side browser vulnerability, applying the official update is the recommended and effective mitigation. No additional vendor advisories or temporary workarounds are provided.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-cjv6-qcpr-cp2x
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-17878"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a6ae5149c2644c7f8980f48
Added to database: 07/30/2026, 05:45:56 UTC
Last enriched: 07/30/2026, 06:06:45 UTC
Last updated: 07/31/2026, 02:51:53 UTC
Views: 4
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