PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-45209 edward_plainview CVE debrief

A Missing Authorization vulnerability (CWE-862) in the MyCryptoCheckout WordPress plugin allows exploitation of incorrectly configured access control security levels. The vulnerability affects versions from n/a through 2.161. The CVSS 3.1 score of 7.5 (HIGH) with vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N indicates a network-accessible issue requiring no authentication, with high impact to confidentiality but no integrity or availability impact. The CVE was published on 2026-05-25 and last modified on 2026-05-26. The vulnerability status is currently marked as 'Deferred' in the NVD. No known exploitation in ransomware campaigns has been reported, and this CVE is not listed in CISA's Known Exploited Vulnerabilities (KEV) catalog.

Vendor
edward_plainview
Product
MyCryptoCheckout
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-25
Original CVE updated
2026-05-26
Advisory published
2026-05-25
Advisory updated
2026-05-26

Who should care

WordPress site administrators using MyCryptoCheckout plugin versions 2.161 or earlier; security teams managing cryptocurrency payment processing integrations; compliance officers tracking access control vulnerabilities in payment systems

Technical summary

The MyCryptoCheckout WordPress plugin contains a Missing Authorization vulnerability (CWE-862) in versions through 2.161. The broken access control allows unauthenticated attackers to exploit incorrectly configured security levels. The CVSS 3.1 score of 7.5 reflects network accessibility, low attack complexity, no required privileges, and high confidentiality impact. The vulnerability was reported by Patchstack and is currently in 'Deferred' status in NVD pending further analysis.

Defensive priority

HIGH

Recommended defensive actions

  • Upgrade MyCryptoCheckout WordPress plugin to a version newer than 2.161
  • Review WordPress site user roles and capabilities for unauthorized access patterns
  • Implement Web Application Firewall (WAF) rules to restrict access to sensitive plugin endpoints
  • Monitor access logs for unauthenticated requests to MyCryptoCheckout administrative functions
  • Verify plugin update availability through official WordPress plugin repository or vendor channels

Evidence notes

Vulnerability identified through Patchstack research. CVSS vector confirms network-accessible, unauthenticated attack vector with high confidentiality impact.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-45209 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-45209

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-45209 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-45209

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.