Medium · published April 29, 2020
CVSS calls it medium at 6.9. It is confirmed in active exploitation. It sits in the 99.7th percentile for exploit probability.
⚠️ A seemingly innocent HTML snippet can turn into a crafty code execution trap. Just by passing untrusted <option> elements into jQuery methods, an attacker may sneak in malicious scripts! 🔥 Think of it like a restaurant that allows customers to customize their orders. If they don't check the ingredients, someone could slip in a dangerous allergen without anyone noticing, leading to chaos in the kitchen! If exploited, an attacker could execute untrusted code in your web application, potentially compromising your users' data or hijacking their sessions. This could lead to a cascade of security breaches, putting both user trust and your application at risk.
Think of it like a restaurant that allows customers to customize their orders. If they don't check the ingredients, someone could slip in a dangerous allergen without anyone noticing, leading to chaos in the kitchen! This vulnerability in jQuery allows untrusted code execution through DOM manipulation methods like .html() or .append() when passing sanitized HTML containing <option> elements. The flaw exists in jQuery versions between 1.0.3 and 3.5.0.
If exploited, an attacker could execute untrusted code in your web application, potentially compromising your users' data or hijacking their sessions. This could lead to a cascade of security breaches, putting both user trust and your application at risk. To protect your application, upgrade jQuery to version 3.5.0 or later immediately. Additionally, review any other code that handles untrusted inputs to ensure safe sanitization practices are in place. Don't let this vulnerability linger! You've got this! Update today and keep your users safe and sound. 🛡️