Really Simple Security < 9.8.1 - Unauthenticated 2FA Bypass via Email Provider State Demotion
Priority LOW 35CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00342 27th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Really Simple Security (Unknown): 9.8.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Really Simple Security | 9.5.10.1 to before 9.8.1 | 9.8.1 | Patch available | CNA |
- Really Simple Security VendorUnknown Affected 9.5.10.1 to before 9.8.1 Fixed in 9.8.1 Patch available CNA
Remediation
- Fix · CNA Really Simple Security (Unknown) Fixed in 9.8.1
Timeline
- 2026-10-02 Threatist record created from CVE-2026-89080
- 2026-10-03 Alias added: GHSA-36qh-hpmx-m9cv
References
Sources
- CVE-2026-89080 · CVE Program
- CVE-2026-89080 · NVD
- FIRST EPSS
- GHSA-36qh-hpmx-m9cv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences