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 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.
Does this matter?
A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 2.5%. Treat it as high on anything reachable from the internet.
Description
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.
- CVSS 3.0
- 4.7 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 2.45% probability · 84th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 4 May 2016
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- cmsmadesimple/cms made simple
- Source
- cve@mitre.org
EPSS 2.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/136897/CMS-Made-Simple-Cache-Poisoning.html
- http://seclists.org/fulldisclosure/2016/May/15
- http://www.cmsmadesimple.org/2016/03/Announcing-CMSMS-1-12-2-kolonia/Vendor Advisory
- http://www.cmsmadesimple.org/2016/04/Announcing-CMSMS-2-1-3-Black-Point/
- http://www.securityfocus.com/archive/1/538272/100/0/threaded
- https://www.exploit-db.com/exploits/39760/
- http://packetstormsecurity.com/files/136897/CMS-Made-Simple-Cache-Poisoning.html
- http://seclists.org/fulldisclosure/2016/May/15
- http://www.cmsmadesimple.org/2016/03/Announcing-CMSMS-1-12-2-kolonia/Vendor Advisory
- http://www.cmsmadesimple.org/2016/04/Announcing-CMSMS-2-1-3-Black-Point/
- http://www.securityfocus.com/archive/1/538272/100/0/threaded
- https://www.exploit-db.com/exploits/39760/
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.