HOMEVULNERABILITIESCVE-2026-23547
HIGH

CVE-2026-23547

CWE-862Published: February 19, 2026· Updated: Feb 20, 2026

7.1
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:3.8th

Official Description

Missing Authorization vulnerability in cmsmasters CMSMasters Content Composer cmsmasters-content-composer allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects CMSMasters Content Composer: from n/a through <= 2.5.8.

NVD Source

Technical Analysis

CVE-2026-23547 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (1)

Quick Facts

CVE IDCVE-2026-23547
CVSS Score7.1 / 10
SeverityHIGH
WeaknessCWE-862
CISA KEVNo
EPSS (30d)0.02%
PublishedFeb 19, 2026

Related CVEs (CWE-862)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-23547 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.