CVE-2026-13977: Inappropriate implementation in Google Chrome
A vulnerability in the HTMLParser component of Google Chrome prior to version 150.0.7871.47 allows remote attackers to inject arbitrary scripts or HTML, resulting in a UXSS (Universal Cross-Site Scripting) issue. This vulnerability is classified with medium severity by Chromium security. It affects desktop versions of Chrome before the specified fixed version.
AI Analysis
Technical Summary
CVE-2026-13977 is a medium severity vulnerability in Google Chrome's HTMLParser that permits remote attackers to perform UXSS attacks by injecting arbitrary scripts or HTML via crafted HTML pages. The issue affects Chrome versions prior to 150.0.7871.47. The vulnerability was publicly disclosed and patched in the stable channel update referenced in the vendor advisory.
Potential Impact
Successful exploitation allows an attacker to inject arbitrary scripts or HTML into the browser context, potentially bypassing same-origin policies and leading to UXSS attacks. This can result in unauthorized script execution within the victim's browser session.
Mitigation Recommendations
A fixed version is available in Google Chrome 150.0.7871.47. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html provides official update information.
CVE-2026-13977: Inappropriate implementation in Google Chrome
Description
A vulnerability in the HTMLParser component of Google Chrome prior to version 150.0.7871.47 allows remote attackers to inject arbitrary scripts or HTML, resulting in a UXSS (Universal Cross-Site Scripting) issue. This vulnerability is classified with medium severity by Chromium security. It affects desktop versions of Chrome before the specified fixed version.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-13977 is a medium severity vulnerability in Google Chrome's HTMLParser that permits remote attackers to perform UXSS attacks by injecting arbitrary scripts or HTML via crafted HTML pages. The issue affects Chrome versions prior to 150.0.7871.47. The vulnerability was publicly disclosed and patched in the stable channel update referenced in the vendor advisory.
Potential Impact
Successful exploitation allows an attacker to inject arbitrary scripts or HTML into the browser context, potentially bypassing same-origin policies and leading to UXSS attacks. This can result in unauthorized script execution within the victim's browser session.
Mitigation Recommendations
A fixed version is available in Google Chrome 150.0.7871.47. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html provides official update information.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-29T23:04:06.570Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html","vendor":"Google"}]
Threat ID: 6a444c2627e9c7971985cf0b
Added to database: 06/30/2026, 23:07:18 UTC
Last enriched: 07/01/2026, 02:36:59 UTC
Last updated: 07/01/2026, 02:36:59 UTC
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.