AUGUST 4, 2026
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Case File

CVE-2021-21135

MEDIUM · CVSS 6.5 EPSS 19.23%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-09 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. It affects Chrome. Its EPSS score suggests a 19.2% probability of exploitation in the next 30 days. It may be remotely exploitable.

CVE
CVE-2021-21135
Severity
MEDIUM
CVSS
6.5
EPSS
19.23%
Chrome

Original NVD Description

Inappropriate implementation in Performance API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Related CVEs

Other vulnerabilities affecting the same vendor(s)