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CVE-2023-23913

20
FAUCET Score

CVE-2023-23913 describes a DOM-based cross-site scripting (XSS) vulnerability in rails-ujs, specifically impacting HTML elements with the contenteditable attribute when malicious HTML containing data-method, data-remote, or data-disable-with attributes is pasted from the clipboard. This medium-severity vulnerability (CVSS 6.3) can be exploited remotely with low attack complexity, requiring user interaction, and could lead to low impacts on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
RailsRails-Ujs
>= 6.1.7.3, < 6.1.7.3, >= 7.0.4.3, < 7.0.4.3CNA affected

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.64%
Probability of exploitation in next 30 days
EPSS Percentile
47.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0064 is in the 51st percentile among its peer group of 26,236 CVEs.

Social Chatter

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

No media coverage found for this CVE.

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 (3)

rubygemspatch availablevia ghsa
Product: actionviewFixed in: 6.1.7.3
rubygemspatch availablevia ghsa
Product: actionviewFixed in: 7.0.4.3
redhatend of lifevia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: rails

Vendor Advisories (2)

rubygemsGHSA-xp5h-f8jf-rc8qmedium

rails-ujs vulnerable to DOM Based Cross-site Scripting contenteditable HTML Elements

Jun 9, 2023
redhatCVE-2023-23913Moderate

rails: DOM Based Cross-site Scripting in rails-ujs for contenteditable HTML Elements

Mar 20, 2023

References

bugs.debian.org / cgi-bin/bugreport.cgi
discuss.rubyonrails.org / t/cve-2023-23913-dom-based-cross-site-scripting-in-rails-ujs-for-contenteditable-html-elements/82468
github.com / rails/rails/commit/5037a13614d71727af8a175063bcf6ba1a74bdbd
security.netapp.com / advisory/ntap-20240605-0007
debian.org / security/2023/dsa-5389