Cross-site scripting in SanitizerAPI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy via a crafted… (CVE-2026-87632)
Source GCVE Database
Not known to be exploited.
Data as of 10/25/2026, 04:40:14 UTC
CVSS not yet scored by NVD
- Exploitation
Not in CISA KEV, no exploitation reported
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 17% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
What to do
AI-suggested
Until an official fix is released, users should exercise caution when visiting untrusted websites and consider applying any available browser updates promptly once they become available.
Description
A cross-site scripting (XSS) vulnerability exists in the SanitizerAPI component of Google Chrome versions prior to 153.0.8010.36. This flaw allows a remote attacker to bypass the web origin policy by crafting a malicious HTML page. The vulnerability is classified with medium severity by Chromium security. No CVSS score or patch information is currently provided.
Impact
Successful exploitation could allow an attacker to bypass the web origin policy, potentially leading to unauthorized script execution in the context of a victim's browser session. This could result in theft of sensitive information or other malicious actions constrained by the browser's security model. However, no known exploits in the wild have been reported.
Summary
CVE-2026-87632 describes a cross-site scripting vulnerability in the SanitizerAPI of Google Chrome before version 153.0.8010.36. The vulnerability enables a remote attacker to bypass the web origin policy through a specially crafted HTML page, potentially allowing unauthorized script execution in the context of another origin. The issue is categorized under CWE-79 (Improper Neutralization of Input During Web Page Generation). No detailed exploit or patch information is available at this time.
Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (opens in a new tab)
Base weaknessLikelihood of exploit: HighCWE Top 25 (2025): #1OWASP Top 10 A05:2025: Injection (opens in a new tab)
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.