CVE Vulnerability

CVE-2019-16521

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://wordpress.org/plugins/broken-link-checker/#developers Product Third Party Advisory
https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190913-02_WordPress_Plugin_Broken_Link_Checker Exploit Third Party Advisory
https://wpvulndb.com/vulnerabilities/9917 Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/10/16/3 Exploit Mailing List
Configurations

Configuration 1

cpe:2.3:a:managewp:broken_link_checker:*:*:*:*:*:wordpress:*:*
Information

Published : 2019-10-16 03:15

Updated : 2019-10-18 08:24

NVD link : CVE-2019-16521

Mitre link : CVE-2019-16521

Products Affected
No products.
CWE
CWE-79