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PatchSiren cyber security CVE debrief

CVE-2026-39700 WPXPO CVE debrief

CVE-2026-39700 is a Missing Authorization vulnerability in WPXPO WowOptin optin. The issue allows Exploiting Incorrectly Configured Access Control Security Levels and affects WowOptin from n/a through <= 1.4.32. The vulnerability has a CVSS score of 5.3 and a severity of MEDIUM. This issue may impact users of WPXPO WowOptin optin version 1.4.32 or earlier. Affected deployments should be identified and patched.

Vendor
WPXPO
Product
WowOptin
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 WPXPO WowOptin optin version 1.4.32 or earlier should prioritize patching this vulnerability to prevent potential exploitation. This includes operators, platform administrators, vulnerability management teams, and security teams responsible for maintaining affected systems.

Technical summary

The CVE-2026-39700 vulnerability is caused by a Missing Authorization issue in the WPXPO WowOptin optin plugin. This allows attackers to exploit incorrectly configured access control security levels. The vulnerability has been assigned a CVSS score of 5.3, indicating a MEDIUM severity level. The affected product is WowOptin, with versions from n/a through <= 1.4.32 being vulnerable.

Defensive priority

Medium priority should be given to patching CVE-2026-39700, as it could potentially be exploited to gain unauthorized access.

Recommended defensive actions

  • Patch WPXPO WowOptin to version greater than 1.4.32
  • Review and update access control configurations for the plugin
  • 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

Evidence notes

The CVE record was published on 2026-04-08T09:16:42.563Z and was last modified on 2026-07-24T20:10:00.147Z. The NVD entry is currently Deferred. Evidence is limited to CVE and NVD details. Defenders should verify affected product deployments and review official advisories.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-39700 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-39700

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

  • CVE-2026-39700 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39700

    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.