Description
Insufficient policy enforcement in Paint in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)
Published: 2026-06-04
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

A security flaw in the Paint component of Google Chrome allows a remote attacker to craft an HTML page that bypasses the browser’s same‑origin policy. The insufficient policy enforcement means a page served from one origin can read or manipulate resources from a different origin that the user is not permitted to access. This creates confidentiality and integrity risks by potentially exposing sensitive data or enabling further malicious code execution. The weakness corresponds to CWE‑346 and is categorized with Chromium security severity Medium.

Affected Systems

The defect exists in Google Chrome on all platforms with versions older than 149.0.7827.53. Users running any pre‑149.0.7827.53 build are affected; Chrome updates after that revision contain the fix.

Risk and Exploitability

The CVSS score of 6.5 indicates medium severity. The EPSS score being less than 1% signals a low probability of exploitation. Based on the description, it is inferred that the attack vector involves a remote attacker delivering a crafted HTML page to a user. Because the Paint component did not correctly enforce same‑origin policy, the attacker can read or modify resources belonging to a different origin, exposing confidential data or enabling further malicious actions. The flaw is not listed in the CISA KEV catalog.

Generated by OpenCVE AI on June 6, 2026 at 08:20 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Upgrade Chrome to 149.0.7827.53 or later
  • Use Chrome Enterprise policies to enforce strict same‑origin enforcement, limiting cross‑origin resource access
  • Implement network or web‑filtering controls to block malicious HTML pages that attempt to exploit the Paint component

Generated by OpenCVE AI on June 6, 2026 at 08:20 UTC.

Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6325-1 chromium security update
History

Mon, 08 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows

Sun, 07 Jun 2026 12:15:00 +0000

Type Values Removed Values Added
Title Same‑Origin Policy Bypass via Paint Component in Google Chrome chromium-browser: Policy bypass in Paint
References
Metrics threat_severity

None

threat_severity

Moderate


Sat, 06 Jun 2026 08:45:00 +0000

Type Values Removed Values Added
Title Same‑Origin Policy Bypass via Paint Component in Google Chrome

Sat, 06 Jun 2026 06:45:00 +0000

Type Values Removed Values Added
Title Google Chrome Paint Same‑Origin Policy Bypass via Malicious HTML Page
Weaknesses CWE-1025
CWE-200

Sat, 06 Jun 2026 04:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-346
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 05 Jun 2026 06:45:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Fri, 05 Jun 2026 05:30:00 +0000

Type Values Removed Values Added
Title Google Chrome Paint Same‑Origin Policy Bypass via Malicious HTML Page
Weaknesses CWE-1025
CWE-200

Thu, 04 Jun 2026 23:15:00 +0000

Type Values Removed Values Added
Description Insufficient policy enforcement in Paint in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-06-06T03:54:29.980Z

Reserved: 2026-06-04T17:06:57.379Z

Link: CVE-2026-11132

cve-icon Vulnrichment

Updated: 2026-06-06T03:53:54.514Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-04T23:17:19.320

Modified: 2026-06-08T14:24:39.023

Link: CVE-2026-11132

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-06-02T00:00:00Z

Links: CVE-2026-11132 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-06-06T08:30:16Z

Weaknesses