CVE-2019-16521

Broken Link Checker <= 1.11.8 - Reflected Cross-Site Scripting

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The broken-link-checker plugin through 1.11.8 for WordPress (aka Broken Link Checker) is susceptible to Reflected XSS due to improper encoding and insertion of an HTTP GET parameter into HTML. The filter function on the page listing all detected broken links can be exploited by providing an XSS payload in the s_filter GET parameter in a filter_id=search request. NOTE: this is an end-of-life product.

El plugin broken-link-checker versiones hasta 1.11.8 para WordPress (también se conoce como Broken Link Checker), es susceptible a una vulnerabilidad de tipo XSS reflejado debido a la codificación e inserción inapropiada de un parámetro GET HTTP en HTML. La función filter en la página que enumera todos los enlaces rotos detectados puede ser explotada proporcionando una carga útil XSS en el parámetro GET de s_filter en una petición filter_id=search. NOTA: este es un producto al final de su vida útil.

The Broken Link Checker plugin through 1.11.8 for WordPress is susceptible to Reflected XSS due to improper encoding and insertion of an HTTP GET parameter into HTML. The filter function on the page listing all detected broken links can be exploited by providing an XSS payload in the s_filter GET parameter in a filter_id=search request. NOTE: this is an end-of-life product.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-09-19 CVE Reserved
2019-10-15 CVE Published
2024-08-05 CVE Updated
2024-08-05 First Exploit
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

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

CAPEC

References (4)

URL	Tag	Source
https://wordpress.org/plugins/broken-link-checker/#developers	Product
https://wpvulndb.com/vulnerabilities/9917	Third Party Advisory

URL	Date	SRC
http://www.openwall.com/lists/oss-security/2019/10/16/3	2024-08-05
https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190913-02_WordPress_Plugin_Broken_Link_Checker	2024-08-05

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Managewp Search vendor "Managewp"		Broken Link Checker Search vendor "Managewp" for product "Broken Link Checker"				<= 1.11.8 Search vendor "Managewp" for product "Broken Link Checker" and version " <= 1.11.8"		wordpress		Affected