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TI-2019-12386 Aliases CVE-2019-16521GHSA-48cc-3r5m-2jp3

The broken-link-checker plugin through 1.11.8 for WordPress (aka Broken Link Checker) is…

Priority LOW 30CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.01395 72nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:managewp:broken_link_checker:*:*:*:*:*:wordpress:*:*up to 1.11.8VulnerableManageWP
  • cpe:2.3:a:managewp:broken_link_checker:*:*:*:*:*:wordpress:*:* Versions up to 1.11.8 Vulnerable ·ManageWP

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-16521
  2. 2026-10-03 Alias added: GHSA-48cc-3r5m-2jp3

References

  • TI-2024-10107 Broken Link Checker < 2.4.2 - Admin+ SSRF CVSS 3.1MEDIUM 4.7
  • TI-2022-03597 Broken Link Checker < 1.11.20 - Admin+ Cross-Site Scripting CVSS 3.1MEDIUM 4.8
  • TI-2023-09550 WordPress MainWP Broken Links Checker Extension Plugin <= 4.0 is vulnerable to SQL Injection CVSS 3.1CRITICAL 9.8
  • TI-2022-02252 Broken Link Checker <= 1.11.16 - Authenticated (Admin+) PHAR Deserialization CVSS 3.1HIGH 7.2
  • TI-2019-12827 A reflected XSS vulnerability was found in includes/admin/table-printer.php in the… CVSS 3.1MEDIUM 5.4
  • TI-2014-08405 Broken Link Checker Plugin Settings Page core.php options_page cross site scripting CVSS 3.1MEDIUM 6.1

Sources