Medium (6.1) in google custom search engine. EPSS 0.4% chance of exploitation in the next 30 days.
Cross-site scripting (XSS) vulnerability in search.php in Google Custom Search Engine allows remote attackers to inject arbitrary web script or HTML via the q parameter. NOTE: this issue is disputed by the Google Security Team, who states that "Google does not provide the 'search.php' script referenced. When a user creates a custom search engine, we provide them with a block of javascript to include on their site. Some users write additional code around this block of javascript to further customize their website.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-31)