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PatchSiren cyber security CVE debrief

CVE-2026-42763 SePay team CVE debrief

A Missing Authorization vulnerability in the SePay Gateway WordPress plugin allows authenticated attackers with low privileges to retrieve embedded sensitive data. The vulnerability exists in versions up to and including 1.1.20. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) indicates network attack vector, low attack complexity, low privileges required, no user interaction, and high confidentiality impact with no integrity or availability impact. The vulnerability is classified under CWE-862 (Missing Authorization). The NVD entry status is currently 'Deferred'. No known exploitation in ransomware campaigns has been reported.

Vendor
SePay team
Product
SePay Gateway
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-25
Original CVE updated
2026-07-20
Advisory published
2026-05-25
Advisory updated
2026-07-20

Who should care

WordPress site administrators using the SePay Gateway plugin; security teams monitoring payment gateway integrations; developers responsible for WordPress plugin security assessments

Technical summary

The SePay Gateway WordPress plugin contains a Missing Authorization vulnerability (CWE-862) that permits authenticated users with low privileges to retrieve embedded sensitive data. The issue affects all versions through 1.1.20. The vulnerability has a CVSS 3.1 score of 6.5 (MEDIUM) with primary impact to confidentiality. No integrity or availability impacts are associated with this vulnerability.

Defensive priority

medium

Recommended defensive actions

  • Upgrade SePay Gateway WordPress plugin to a version newer than 1.1.20 if available
  • Review and restrict user roles with access to plugin functionality
  • Monitor access logs for unauthorized data retrieval attempts
  • Apply principle of least privilege for WordPress user accounts
  • Verify plugin authorization controls enforce proper access restrictions

Evidence notes

Vulnerability disclosed via Patchstack and indexed in NVD. Affected product identified as SePay Gateway WordPress plugin versions through 1.1.20. CVSS 3.1 score of 6.5 (MEDIUM) assigned. Weakness classified as CWE-862 (Missing Authorization).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-42763 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-42763

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

  • CVE-2026-42763 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-42763

    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.