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IMMUNITYSEC

CVE-2019-16759

9.8
CRITICAL
CVSS 3.1
EPSS 99.7% · 100th pctCISA KEV · Exploited in the wild
2019-09-24Updated 2025-10-21KEV 2021-11-03
CISA Known Exploited Vulnerabilities

vBulletin PHP Module Remote Code Execution Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2021-11-03
Remediation due
2022-05-03

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2019-16759

Description

vBulletin 5.x through 5.5.4 allows remote command execution via the widgetConfig[code] parameter in an ajax/render/widget_php routestring request.

Severity

CVSS 3.1 · CISA9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC · CISA-ADP
Exploitationactive
Automatableyes
Technical impacttotal

Exploitation Context

as of October 14, 2026
All KEV statistics→
  • CISA added CVE-2019-16759 to the KEV catalog 771 days after its CVE record was published.
  • It is one of 2 vBulletin entries in the CISA KEV catalog, and one of 2 added in 2021.
  • Its current EPSS score (99.7%) is higher than that of 90% of CISA KEV entries.

Affected Products

ProductAffected versions
-
n/a

References

10 Links

Record Details

Published
2019-09-24
Last updated
2025-10-21
Assigner (CNA)
mitre
Credited to
-

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.