Is there a public PoC exploit available for CVE-2016-20051?

Yes, a public proof-of-concept exploit is available for CVE-2016-20051. Prioritise patching immediately. EPSS: 0.0%.

Snews Cms Cross Site Request Forgery CVE-2016-20051

Q: What is the CVSS score of CVE-2016-20051?

CVE-2016-20051 has a CVSS 4.0 base score of 6.9 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

EUVD-2016-10858 MEDIUM

Cross-Site Request Forgery (CSRF) (CWE-352)

2026-04-04 VulnCheck

GHSA-qqrh-w78r-g98g

Authentication Bypass CSRF Snews Cms Cross Site Request Forgery

6.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

6.9 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

PoC Detected

Apr 07, 2026 - 13:20 vuln.today

Public exploit code

EUVD ID Assigned

Apr 04, 2026 - 14:00 euvd

EUVD-2016-10858

CVE Published

Apr 04, 2026 - 13:50 nvd

MEDIUM 6.9

DescriptionCVE.org

Snews CMS 1.7 contains a cross-site request forgery vulnerability that allows attackers to change administrator credentials without authentication by crafting malicious HTML forms. Attackers can trick authenticated administrators into visiting a page containing a hidden form that submits POST requests to the changeup action, modifying the admin username and password parameters to gain unauthorized access.

AnalysisAI

Snews CMS 1.7 contains a cross-site request forgery vulnerability that allows attackers to change administrator credentials without authentication by crafting malicious HTML forms. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. Snews CMS 1.7 contains a cross-site request forgery vulnerability that allows attackers to change administrator credentials without authentication by crafting malicious HTML forms. Attackers can trick authenticated administrators into visiting a page containing a hidden form that submits POST requests to the changeup action, modifying the admin username and password parameters to gain unauthorized access. Affected products include: Snewscms Snews Cms Cross Site Request Forgery.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.