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CVE-2026-82519

Really Simple Security < 9.8.2 Authorization Bypass via profile-page update handler

CVSS 4.0 2.3 LOWCVSS 3.1 4.3 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-82519

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-82519

Published

Really Simple Security

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "defaultStatus": "unaffected",
                    "vendor": "reallysimpleplugins",
                    "product": "Really Simple Security",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver",
                            "lessThan": "9.8.2"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON