CVE-2026-89080
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductReally Simple Security
PublishedSep 13, 2026
First seenSep 13, 2026
Weakness typeCWE-287Improper authentication
How to fix
Update
- Really Simple Security9.8.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Really Simple Security | 9.5.10.1 ≤ v < 9.8.1 | 9.8.1 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.