Insufficient data validation in Chromecast plugin in Google Chrome prior to 63.0.3239.84 allowed a remote attacker to inject arbitrary scri…

published 2018-08-28 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-6882

cvss: 4.3; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits: 0; none known

Insufficient data validation in Chromecast plugin in Google Chrome prior to 63.0.3239.84 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page.

Patch / fix

fixed in 1 distros 2

Google Chrome 63.0.3239.84

ubuntu opensuse

chromium-browser Ubuntu 16.04 LTS 63.0.3239.84-0ubuntu0.16.04.1
chromium-browser Ubuntu 18.04 LTS 63.0.3239.84-0ubuntu1

ubuntu advisories UBUNTU-CVE-2017-15430

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

chromium openSUSE Tumbleweed 93.0.4577.82-1.1
chromium openSUSE Tumbleweed 113.0.5672.92-1.1

opensuse advisories openSUSE-SU-2024:10681-1 openSUSE-SU-2024:12948-1

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	4.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

Google Chrome

Classification

Technology feeds

Google Chrome rss critical rss

References

Sources

CVE List CVE-2017-15430
NVD CVE-2017-15430

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary