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PatchSiren cyber security CVE debrief

CVE-2026-82519 reallysimpleplugins CVE debrief

The Really Simple Security plugin for WordPress before version 9.8.2 contains a missing authorization check vulnerability. This allows authenticated low-privileged attackers to bypass enforced two-factor authentication indefinitely by exploiting an unguarded code path in the profile-page update handler. The vulnerability impacts WordPress sites using the Really Simple Security plugin, as defenders must verify the plugin version and ensure two-factor authentication is properly enforced.

Vendor
reallysimpleplugins
Product
Really Simple Security
CVSS
LOW 2.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-14
Original CVE updated
2026-09-20
Advisory published
2026-09-14
Advisory updated
2026-09-20

Who should care

Defenders responsible for WordPress sites using the Really Simple Security plugin should assess exposure and verify the version of the plugin. They must review and enforce proper two-factor authentication settings, monitor for suspicious activity on the WordPress site, and confirm whether affected product deployments exist in managed environments.

Why it matters

The Really Simple Security plugin for WordPress before version 9.8.2 contains a missing authorization check vulnerability, allowing authenticated low-privileged attackers to bypass enforced two-factor authentication indefinitely.

  • Defenders must verify the version of the Really Simple Security plugin to ensure it is up-to-date
  • Two-factor authentication settings must be reviewed and enforced properly
  • Suspicious activity on the WordPress site must be monitored

Technical summary

The Really Simple Security plugin for WordPress before version 9.8.2 contains a missing authorization check vulnerability. This allows authenticated low-privileged attackers to bypass enforced two-factor authentication indefinitely by exploiting an unguarded code path in the profile-page update handler. The vulnerability impacts WordPress sites using the Really Simple Security plugin, as defenders must verify the plugin version and ensure two-factor authentication is properly enforced. The CVE record and NVD entry provide details about the vulnerability.

Defensive priority

Defenders should prioritize verifying the version of the Really Simple Security plugin and ensuring that two-factor authentication is properly enforced.

Recommended defensive actions

  • Verify the version of the Really Simple Security plugin and ensure it is up-to-date
  • Review and enforce proper two-factor authentication settings
  • Monitor for suspicious activity on the WordPress site
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and NVD entry provide details about the vulnerability, but do not specify which versions are affected or provide information on exploitation. The Really Simple Security plugin for WordPress before version 9.8.2 is affected, and defenders should verify the plugin version and review two-factor authentication settings. The vulnerability allows authenticated low-privileged attackers to bypass enforced two-factor authentication indefinitely.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-82519 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-82519

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

  • CVE-2026-82519 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-82519

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

Supplemental references

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.