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CVE-2026-82519

LOW 2.3 CVSS 4.0
Published
September 14, 2026
Last modified
September 20, 2026
NVD status
Deferred
Reported by
disclosure@vulncheck.com
Weakness
CWE-862
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Description

Really Simple Security plugin for WordPress before 9.8.2 contains a missing authorization check vulnerability that allows authenticated low-privileged attackers to bypass enforced two-factor authentication indefinitely by exploiting an unguarded code path in the profile-page update handler. Attackers can submit a crafted POST request without the two-factor-authentication field to skip nonce verification and trigger delete_two_fa_meta(), which resets the grace period anchor timestamp on every login cycle, causing mandatory 2FA enforcement to be deferred indefinitely.

Affected WordPress components

  • Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) Plugin · really-simple-ssl
    Confirmed match Active
    Before 9.8.2
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • reallysimpleplugins Really Simple Security — Before 9.8.2

References

  • wordpress.org https://wordpress.org/plugins/really-simple-ssl/#developers
  • www.vulncheck.com https://www.vulncheck.com/advisories/really-simple-security-authorization-bypass-via-profile-page-update-handler
  • nvd.nist.gov Official NVD record