Main Vulnerability Database SB2019102308

SB2019102308 - Stored cross-site scripting in SyntaxHighlighter Evolved plugin for WordPress

Published: October 23, 2019

Security Bulletin ID SB2019102308

Severity

Low

Patch available

YES

Number of vulnerabilities 1

Exploitation vector Remote access

Highest impact Data manipulation

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 insufficient sanitization of user-supplied data passed via specially crafted comments. A remote attacker can inject 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:

[code]javascript://%0dalert%28document.cookie%29[/code]

Remediation

Install update from vendor's website.

References

https://www.wordfence.com/blog/2019/10/stored-xss-patched-in-syntaxhighlighter-evolved-plugin/