CVE-2026-13957: Incorrect security UI in Extensions on 2026-05-15

Published May 15, 2026
·
Updated

Chromium: CVE-2026-13957 Incorrect security UI in Extensions

Other sources

Incorrect security UI in Extensions in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: Medium)

— MITRE

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

— Microsoft

Affected Software

4 affected componentsFixes available
Google Google Chrome<150.0.7871.47
Google Chrome<150.0.7871.47
Microsoft Edge (Chromium-based)<150.0.4078.48
150.0.4078.48
Microsoft Edge<150.0.4078.48

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 150.0.4078.48
  2. Upgrade

    Upgrade Chromium / Google Chrome (via Edge ingestion) to a version that resolves this vulnerability.

    Fixed in 150.0.7871.47

Event History

Jun 30, 2026
CVE Published
via MITRE·10:38 PM
Data Sourced
via MITRE·10:38 PM
DescriptionWeakness
Data Sourced
via NVD·11:17 PM
DescriptionSeverityWeaknessAffected Software
Jul 3, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software
Jul 16, 2026
Data Sourced
12:00 AM
SeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2026-13957?

CVE-2026-13957 has a medium severity rating of 4.2 according to the CVSS 3.1 score.

2

How do I fix CVE-2026-13957?

To mitigate CVE-2026-13957, ensure you update Google Chrome to version 150.0.7871.47 or later.

3

What type of vulnerability is CVE-2026-13957?

CVE-2026-13957 is classified as an incorrect security UI vulnerability leading to potential UXSS attacks.

4

What software is affected by CVE-2026-13957?

CVE-2026-13957 affects Google Chrome and Microsoft Edge (Chromium-based) prior to the patched versions.

5

What can attacker do with CVE-2026-13957?

An attacker exploiting CVE-2026-13957 can inject arbitrary scripts or HTML into compromised webpages by convincing users to install a malicious extension.

Company

Resources

Contact

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