Reflected cross-site scripting in Broken Link Checker plugin for WordPress

Published: 2019-10-21
Risk Low
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2019-17207
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Broken Link Checker
Web applications / Modules and components for CMS

Vendor Janis Elsts, Vladimir Prelovac

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Reflected cross-site scripting

EUVDB-ID: #VU21923

Risk: Low


CVE-ID: CVE-2019-17207,CVE-2019-16521

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No


The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to improper encoding and insertion of an HTTP GET parameter into HTML. 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, such as exploit the filter function on the page listing all detected broken links by providing an XSS payload in the "s_filter" GET parameter in the "filter_id=search" request.

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.




Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Broken Link Checker: 0.1 - 1.11.8

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?