4.2

CVE-2026-17739: google chrome Cross-site Scripting

CVSS: 4.2v3.1MediumAnalyzed
AliasesDEBIAN-CVE-2026-17739CGA-2vx6-j2jq-56rgCGA-2wfw-4wgx-3mw6
Published 30-07-2026Last modified 30-07-2026
Open JSON

Vulnerability summary

CVE-2026-17739 is a medium (CVSS 4.2) Cross-site Scripting vulnerability in google chrome. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.8% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.2/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.15%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 3
OPENSUSE-SU-2026:11434-1OPENSUSE-SU-2026:21514-1CGA-X7V5-6QQQ-7W6V

Timeline

  1. 30-07-2026
    PublishedVulnerability first disclosed.
  2. 30-07-2026
    Last modifiedVulnerability information updated.

Description

Insufficient policy enforcement in Extensions in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to inject arbitrary scripts or HTML (UXSS) via a crafted Chrome Extension. (Chromium security severity: Medium)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

-0.04 pp

From 0.19% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard3 products
  • chromium< 151.0.7922.75-r0
  • chromium-docker-selenium-compat< 151.0.7922.75-r0
  • chromium-lang< 151.0.7922.75-r0
Wolfi3 products
  • chromium< 151.0.7922.75-r0
  • chromium-docker-selenium-compat< 151.0.7922.75-r0
  • chromium-lang< 151.0.7922.75-r0
Debian1 product
  • chromium< 151.0.7922.71-1~deb12u1 | < 151.0.7922.71-1~deb13u1 | < 151.0.7922.71-1
Google1 product
  • chrome≥ 151.0.7922.72, < 151.0.7922.72 | < 151.0.7922.72

4 vendors · 8 products

References

3 links