JSFiddle Shortcode
JSFiddle Shortcode has one disclosed vulnerability in the WordSec catalog, all reported in 2025; it is fixed as of September 2026. Their average CVSS score is 6.4, and the most serious one scores 6.4 out of 10.
The most common weakness is Cross-Site Scripting, behind 1 of the records (100%).
The one issue recorded for JSFiddle Shortcode has a vendor fix available, so running the current release closes it.
All of these findings were reported by Bob Matyas. JSFiddle Shortcode is installed on roughly 60 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 6.6.7.
CVE-2024-10818JSFiddle Shortcode <= 1.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Read the full analysisVulnerability Records
JSFiddle Shortcode
Author
Willington Vega
Allows to easily embed Fiddles using a small shortcode. Usage: [jsfiddle url="https://jsfiddle.net/wvega/UupFu/" height="300px" include="result,html,js,css" font-color="39464E" menu-background-color="FFFFFF" code-background-color="f3f5f6" accent-color="1C90F3"] All attributes are optional. url is the URL of the fiddle you want to embed, with or without trailing slash. include can be any combination of result, html, js and css, separated by commas; the tabs in the embedded fiddle will follow the order specified with the include attribute. font-color is the color used for the name of the tabs. menu-background-color is the color used for the background of the tabs. code-background-color is the color used for the background of the area where the code and results are shown. accent-color is the color of the indicator shown below the active tab. Result: <iframe style="width: 100%; height: 300px" src="https://jsfiddle.net/wvega/UupFu/embedded/result,html,js,css/?fontColor=39464E&menuColor=FFFFFF&bodyColor=f3f5f6&accentColor=1C90F3"></iframe>
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