XSS in Rubyonrails Html_sanitizer

CVE-2015-7578

Cross-site scripting (XSS) vulnerability in the rails-html-sanitizer gem before 1.0.3 for Ruby on Rails 4.2.x and 5.x allows remote attackers to inject arbitrary web script or HTML via crafted tag attributes.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (37.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-7578?
CVE-2015-7578 is a medium-severity vulnerability in Rubyonrails Html_sanitizer, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2016-02-16.
How severe is CVE-2015-7578?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2015-7578 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.