CVE-2023-23913 rails-ujs vulnerable to DOM Based Cross-site Scripting contenteditable HTML Elements
Attackers can execute arbitrary JavaScript via DOM-based XSS when users paste malicious HTML into contenteditable elements using rails-ujs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-23913?
CVE-2023-23913 is a medium-severity cross-site scripting vulnerability in rails-ujs, published on 9 Jan 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
There is a potential DOM based cross-site scripting issue in rails-ujs which leverages the Clipboard API to target HTML elements that are assigned the contenteditable attribute. This has the potential to occur when pasting malicious HTML content from the clipboard that includes a data-method, data-remote or data-disable-with attribute.
Weakness: CWE-79
Which versions are affected by CVE-2023-23913?
4 open source packages ship an affected version, including actionview.
| Package | Affected | Fixed in |
|---|---|---|
actionview RubyGems | From 5.1.0 | 6.1.7.3 |
actionview RubyGems | From 5.1.0 | 6.1.7.3 |
actionview RubyGems | From 7.0.0 | 7.0.4.3 |
actionview RubyGems | From 7.0.0 | 7.0.4.3 |
Linux distribution packages (7)
rubygem-actionview-5_1 SUSE:Linux Enterprise High Availability Extension 15 SP1 | All versions | 5.1.4-150000.3.9.1 |
rubygem-actionview-5_1 SUSE:Linux Enterprise High Availability Extension 15 SP2 | All versions | 5.1.4-150000.3.9.1 |
rubygem-actionview-5_1 SUSE:Linux Enterprise High Availability Extension 15 SP3 | All versions | 5.1.4-150000.3.9.1 |
rubygem-actionview-5_1 SUSE:Linux Enterprise High Availability Extension 15 SP4 | All versions | 5.1.4-150000.3.9.1 |
rubygem-actionview-5_1 SUSE:Linux Enterprise High Availability Extension 15 SP5 | All versions | 5.1.4-150000.3.9.1 |
rubygem-actionview-5_1 openSUSE:Leap 15.4 | All versions | 5.1.4-150000.3.9.1 |
rubygem-actionview-5_1 openSUSE:Leap 15.5 | All versions | 5.1.4-150000.3.9.1 |
How do I fix CVE-2023-23913?
Upgrade actionview to a fixed version for your release line: 6.1.7.3 or 7.0.4.3.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-23913 being exploited?
There is no known exploitation of CVE-2023-23913 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2023-23913, GHSA-xp5h-f8jf-rc8q, OESA-2024-1774, OESA-2024-1775, OESA-2024-1776, SUSE-SU-2023:3813-1 and 1 more.