Description
The Really Simple Security WordPress plugin before 9.8.1 does not prevent an unauthenticated request from resetting an account's completed email two-factor enrolment, allowing an attacker who already knows the account's password to bypass the second factor and obtain that user's session, up to administrator.
Published: 2026-09-13
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: Two-factor authentication bypass leading to session hijack
Action: Upgrade plugin
AI Analysis

Impact

An unauthenticated request can reset a user’s completed email two‑factor enrolment, allowing an attacker who already knows the account’s password to bypass the second factor privileges.

Affected Systems

The Really Simple Security WordPress plugin versions earlier than 9.8.1 are impacted; any installation using those releases allows this behaviour.

Risk and Exploitability

The vulnerability admits unauthenticated exploitation through standard HTTP requests. The EPSS score is less than 1%, indicating a very low exploitation probability, and the issue is not listed in the CISA KEV catalog, but its impact consists of privilege escalation and loss of account integrity. The CVSS score of 7.5 indicates high severity. Attackers request to any site using the affected plugin.

Generated by OpenCVE AI on September 15, 2026 at 17:22 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Upgrade Really Simple Security plugin to version 9.8.1 or later
  • Restrict or secure the password reset endpoint so that it requires authentication or additional verification
  • Enforce two‑factor protection

Generated by OpenCVE AI on September 15, 2026 at 17:22 UTC.

Tracking

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Advisories

No advisories yet.

History

Sun, 13 Sep 2026 19:15:00 +0000

Type Values Removed Values Added
First Time appeared Really-simple-plugins
Really-simple-plugins really Simple Security
Wordpress
Wordpress wordpress
Vendors & Products Really-simple-plugins
Really-simple-plugins really Simple Security
Wordpress
Wordpress wordpress

Sun, 13 Sep 2026 18:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-285
CWE-639

Sun, 13 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-285
CWE-639

Sun, 13 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-287
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Sun, 13 Sep 2026 06:15:00 +0000

Type Values Removed Values Added
Description The Really Simple Security WordPress plugin before 9.8.1 does not prevent an unauthenticated request from resetting an account's completed email two-factor enrolment, allowing an attacker who already knows the account's password to bypass the second factor and obtain that user's session, up to administrator.
Title Really Simple Security < 9.8.1 - Unauthenticated 2FA Bypass via Email Provider State Demotion
References

Subscriptions

Really-simple-plugins Really Simple Security
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-13T10:44:06.593Z

Reserved: 2026-09-10T19:35:57.025Z

Link: CVE-2026-89080

cve-icon Vulnrichment

Updated: 2026-09-13T10:41:19.967Z

cve-icon NVD

Status : Deferred

Published: 2026-09-13T06:16:25.637

Modified: 2026-09-14T21:10:17.423

Link: CVE-2026-89080

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-15T17:30:10Z

Weaknesses