PT-2019-15002 · WordPress · Broken Link Checker

Tobias Fink · Published 2019-10-18 · Updated 2019-10-21 · CVE-2019-17207

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions broken-link-checker plugin version 1.11.8

Description A reflected XSS issue was found in the broken-link-checker plugin for WordPress. This allows unauthorized users to inject client-side JavaScript into an admin-only WordPress page via the s filter parameter in a search action on the wp-admin/tools.php?page=view-broken-links endpoint.

Recommendations For broken-link-checker plugin version 1.11.8, consider disabling access to the wp-admin/tools.php?page=view-broken-links endpoint until a patch is available, and avoid using the s filter parameter in search actions to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2019-17207

Affected Products

Broken Link Checker

References · 6

• 🔥 https://wpvulndb.com/vulnerabilities/9917 · Exploit
• 🔥 http://packetstormsecurity.com/files/154875/WordPress-Broken-Link-Checker-1.11.8-Cross-Site-Scripting.html · Exploit
• 🔥 http://seclists.org/fulldisclosure/2019/Oct/31 · Exploit
• https://osv.dev/vulnerability/CVE-2019-17207 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-17207 · Security Note
• https://wordpress.org/plugins/broken-link-checker/#developers · Note