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PatchSiren cyber security CVE debrief

CVE-2026-39643 Payment Plugins CVE debrief

A Missing Authorization vulnerability exists in Payment Plugins for PayPal WooCommerce, affecting versions from n/a through 2.0.13. This issue allows for Exploiting Incorrectly Configured Access Control Security Levels, potentially leading to unauthorized access. The vulnerability has a CVSS score of 5.3 and a severity of MEDIUM. Users should review their installations and take necessary actions to secure them. The issue is caused by a missing authorization mechanism in the plugin, which allows attackers to exploit incorrectly configured access control security levels.

Vendor
Payment Plugins
Product
Payment Plugins for PayPal WooCommerce
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-08
Original CVE updated
2026-07-24
Advisory published
2026-04-08
Advisory updated
2026-07-24

Who should care

Users of Payment Plugins for PayPal WooCommerce, especially those with versions 2.0.13 or earlier, should be aware of this vulnerability and take necessary actions to secure their installations. Operators, platform administrators, vulnerability management teams, and security teams should review the affected scope and severity to determine the necessary course of action.

Technical summary

The vulnerability is caused by a missing authorization mechanism in the Payment Plugins for PayPal WooCommerce plugin. This allows attackers to exploit incorrectly configured access control security levels, potentially leading to unauthorized access. The issue has been identified in versions up to and including 2.0.13. The vulnerability has a CVSS score of 5.3 and a severity of MEDIUM. Users should review their installations and take necessary actions to secure them.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update to a version of Payment Plugins for PayPal WooCommerce that is not vulnerable
  • Review and adjust access control configurations to prevent exploitation
  • Monitor for suspicious activity related to the plugin
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-04-08T09:16:35.077Z and last modified on 2026-07-24T21:10:00.143Z. The NVD entry is currently Deferred. The vulnerability affects Payment Plugins for PayPal WooCommerce versions from n/a through 2.0.13. Evidence of exploitation is limited, and defenders should verify the affected scope and severity. The CVE record provides official details, but additional review is recommended.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-39643 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-39643

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

  • CVE-2026-39643 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39643

    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.