HOMEVULNERABILITIESCVE-2016-20053
MEDIUM

CVE-2016-20053

CWE-352Published: April 4, 2026· Updated: Apr 7, 2026

5.3
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:4.3th

Official Description

Redaxo CMS 5.2 contains a cross-site request forgery vulnerability that allows unauthenticated attackers to create administrative user accounts by tricking authenticated administrators into visiting malicious pages. Attackers can craft HTML forms targeting the users endpoint with hidden fields containing admin credentials and account parameters to add new administrator accounts without user consent.

NVD Source

Technical Analysis

CVE-2016-20053 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

All References (2)

→
https://www.exploit-db.com/exploits/40708
→
https://www.vulncheck.com/advisories/redaxo-cms-cross-site-request-forgery-via-users-endpoint

Quick Facts

CVE IDCVE-2016-20053
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-352
CISA KEVNo
EPSS (30d)0.02%
PublishedApr 4, 2026

Related CVEs (CWE-352)

CVE-2019-25729
9.8
CVE-2026-39620
9.6
CVE-2026-46786
9.6
CVE-2026-39617
9.6
CVE-2026-39640
9.6
CVE-2026-39619
9.6

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-20053 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2016-20053·NVD