The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsLearn about Content Injection due to quoteless attributes vulnerabilities in an interactive lesson.
Start learningWhen using attributes without quotes in a mustache template, an attacker can manipulate the input to introduce additional attributes, potentially executing code. This may lead to a Cross-site Scripting (XSS) vulnerability, assuming an attacker can influence the value entered into the template. If the mustache template is used to render user-generated content, this vulnerability may escalate to a persistent XSS vulnerability.
For example, assume mustache was used to display user comments, using the following template:
<a href={{email}}>{{name}}</a><pre>{{comment}}</pre>
If an attacker spoofed his email address and provided the following value:
jane@evil.org onload=alert(document.cookie)
The resulting HTML would be:
<a href=wizard@evil.org onload=alert(document.cookie)>Evil Wizard</a><pre>Busted!</pre>