CVE-2026-88798 — Really Simple Security (Free) < 9.8.3 - Unauthenticated Unbounded Option Growth via Spoofed Client IP Header

CVE-2026-88798

Really Simple Security (Free) < 9.8.3 - Unauthenticated Unbounded Option Growth via Spoofed Client IP Header PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Unknown / Really Simple Security	affected 8.1.6 before 9.8.3

CWE

No CWE identifiers supplied.

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.