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Findings

CVE-2020-17496

vBulletin PHP Module Remote Code Execution Vulnerability

Published Aug 12, 2020 · updated Jun 16, 2026 · vbulletin vbulletin

The PHP module within vBulletin contains an unspecified vulnerability that allows for remote code execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. This CVE ID resolves an incomplete patch for CVE-2019-16759.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 12, 2020 · Catalog

    Detected

    The PHP module within vBulletin contains an unspecified vulnerability that allows for remote code execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. This CVE ID resolves an incomplete patch for CVE-2019-16759.

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 3, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    The PHP module within vBulletin contains an unspecified vulnerability that allows for remote code execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. This CVE ID resolves an incomplete patch for CVE-2019-16759.

Required action

Apply updates per vendor instructions.

CISA due date May 3, 2022

Affected

  • cpe vbulletin/vbulletinversion unspecified
  • vendor vBulletin vBulletinversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2020-17496

    The PHP module within vBulletin contains an unspecified vulnerability that allows for remote code execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. This CVE ID resolves an incomplete patch for CVE-2019-16759.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2020-17496

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-17496

    30-day exploitation probability 87.5%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_multi/http/vbulletin_widget_template_rce

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2020-17496

    vBulletin 5.5.4 through 5.6.2 allows remote command execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. NOTE: this issue exists because of an incomplete fix for CVE-2019-16759.

    nvd.nist.gov

References