Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-7579

17
FAUCET Score

CVE-2015-7579 describes a cross-site scripting (XSS) vulnerability in the rails-html-sanitizer gem versions 1.0.2, affecting Ruby on Rails 4.2.x and 5.x. This flaw allows remote attackers to inject arbitrary web script or HTML due to improper handling of HTML entities by the Rails::Html::FullSanitizer class. With a CVSS score of 6.1 (Medium), exploitation requires user interaction (UI:R) but can be executed with low attack complexity (AC:L) over the network (AV:N), potentially leading to limited confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.2CPE matchmatch criteria
cpe:2.3:a:rubyonrails:html_sanitizer:*:*:*:*:*:ruby:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.59%
Probability of exploitation in next 30 days
EPSS Percentile
83.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0259 is in the 92nd percentile among its peer group of 26,234 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

rubygemspatch availablevia ghsa
Product: rails-html-sanitizerFixed in: 1.0.3

Vendor Advisories (1)

rubygemsGHSA-r9c2-cr39-c8g6medium

rails-html-sanitizer Cross-site Scripting vulnerability

Oct 24, 2017

References

lists.fedoraproject.org / pipermail/package-announce/2016-February/178046.html
lists.fedoraproject.org / pipermail/package-announce/2016-February/178064.html
lists.opensuse.org / opensuse-security-announce/2016-02/msg00014.html
lists.opensuse.org / opensuse-security-announce/2016-02/msg00024.html
lists.opensuse.org / opensuse-security-announce/2016-04/msg00053.html
github.com / rails/rails-html-sanitizer/commit/49dfc1584c5b8e35a4ffabf8356ba3df025e8d3f
groups.google.com / forum/message/raw
openwall.com / lists/oss-security/2016/01/25/12
securitytracker.com / id/1034816