High severity · published Sep 13, 2026
CVE-2026-89080
Really Simple Security < 9.8.1 - Unauthenticated 2FA Bypass via Email Provider State Demotion
7.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RS
Really Simple Security ·
9.5.10.1 before 9.8.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-89080
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-89080
wpscan.com
https://wpscan.com/vulnerability/49546064-5663-40f8-be7c-4f3faa31fa9a/
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