CVE-2026-16236
Authenticated users can upload arbitrary files via Realtyna Organic IDX WordPress plugin.
Is CVE-2026-16236 being exploited?
Not confirmed. CVE-2026-16236 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.61% probability of exploitation in the next 30 days.
How severe is CVE-2026-16236?
CVE-2026-16236 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-16236?
Yes. A fix has been recorded for CVE-2026-16236. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-16236 affect?
CVE-2026-16236 affects WordPress Realtyna Organic IDX plugin <= 5.3.0, WordPress sites with the plugin installed. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-16236?
Update plugin to fixed version; scan for webshells and remove malicious files.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated (subscriber+) arbitrary file upload via AJAX/REST endpoints, enabling remote code execution and full site compromise.
Patch when possible
- affected<= 5.3.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.