CVE-2016-2784

CMS Made Simple 2.x before 2.1.3 and 1.x before 1.12.2, when Smarty Cache is activated, allow...

4.7 MediumPublic exploit

CMS Made Simple 2.x before 2.1.3 and 1.x before 1.12.2, when Smarty Cache is activated, allow remote attackers to conduct cache poisoning attacks, modify links, and conduct cross-site scripting (XSS) attacks via a crafted HTTP Host header in a request.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

2.47%Unchanged since Feb 4, 2022

What each source reports

NVD Score used 4.7

Record: CVE-2016-2784
CVSS 3.0: 4.7 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 2.6 LowAV:N/AC:H/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2016-2784
Updated: 2026-11-02

EUVDEUVD-2016-3858 No score

Record: EUVD-2016-3858
Updated: 2026-11-03

GitHub AdvisoriesGHSA-m9ph-84w3-989x 4.7

CMS Made Simple 2.x before 2.1.3 and 1.x before 1.12.2, when Smarty Cache is activated, allow...

Record: GHSA-m9ph-84w3-989x
CVSS 3.0: 4.7 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

cmsmadesimple cms made simple

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	CMS Made Simple < 1.12.1 / < 2.1.3 - Web Server Cache Poisoning	2016-05-04

History

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

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

In short

CVE-2016-2784 is a medium vulnerability (CVSS 4.7) in Cmsmadesimple Cms Made Simple, published May 26, 2016. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.47%, the 84th percentile. No source names a fixed version.