CVE-2026-89080 Really Simple Security WordPress plugin - Authentication Bypass

Really Simple Security WordPress plugin < 9.8.1 contains a broken authentication caused by unauthenticated reset of completed email two-factor enrolment, letting attackers with account password bypass second factor and obtain user session, exploit requires attacker to know account password.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.34% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
13 September 2026
Updated
15 October 2026
Weakness
CWE-287

Vendor fix

Update to version 9.8.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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