CVE-2016-9020

SQL injection vulnerability in framework/modules/help/controllers/helpController.php in Exponent...

9.8 Critical

SQL injection vulnerability in framework/modules/help/controllers/helpController.php in Exponent CMS 2.3.9 and earlier allows remote attackers to execute arbitrary SQL commands via the version parameter.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

3.08%Up 1.9 points since Feb 4, 2022

What each source reports

NVD Score used 9.8

Record: CVE-2016-9020
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-89
Updated: 2026-11-02

CVE List No score

Record: CVE-2016-9020
Updated: 2026-11-02

EUVDEUVD-2016-9842 No score

Record: EUVD-2016-9842
Updated: 2026-11-03

GitHub AdvisoriesGHSA-cwcw-f3ff-vmqj 9.8

SQL injection vulnerability in framework/modules/help/controllers/helpController.php in Exponent...

Record: GHSA-cwcw-f3ff-vmqj
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-89
Updated: 2026-11-02

OSV 9.8

Record: CVE-2016-9020
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

exponentcms exponent cms

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-9020 is a critical vulnerability (CVSS 9.8) in Exponentcms Exponent Cms, published March 7, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.08%, the 87th percentile. No source names a fixed version.