CVE-2026-88798 — MEDIUM (5.3)

Vulnerability Description

The Really Simple Security WordPress plugin before 9.8.3 does not validate a client-supplied address value before using it as a storage key in one of its own options, allowing unauthenticated attackers to grow that option without bound and to slow the site's handling of missing pages.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Related Weaknesses (CWE)

CWE-400

References

https://wpscan.com/vulnerability/e658dcd2-2ff6-4611-a28d-e2482c65be8b/

FAQ

What is CVE-2026-88798?

CVE-2026-88798 is a vulnerability with a CVSS score of 5.3 (MEDIUM). The Really Simple Security WordPress plugin before 9.8.3 does not validate a client-supplied address value before using it as a storage key in one of its own options, allowing unauthenticated attacke...

How severe is CVE-2026-88798?

CVE-2026-88798 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-88798?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.