CVE-2026-57811
Critical RCE via code injection in Realtyna Organic IDX WordPress plugin ≤5.2.0
Is CVE-2026-57811 being exploited?
Not confirmed. CVE-2026-57811 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 0.56% probability of exploitation in the next 30 days.
How severe is CVE-2026-57811?
CVE-2026-57811 is rated Critical with a CVSS score of 10.0. 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-2026-57811?
Not known from our data. No patch reference has been recorded for CVE-2026-57811, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-57811 affect?
CVE-2026-57811 affects Realtyna Organic IDX (real-estate-listing-realtyna-wpl) WordPress plugin <=5.2.0, WordPress sites using the Realtyna IDX plugin. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-57811?
Apply vendor patch ASAP; if none, disable/remove plugin and isolate affected hosts.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote Code Inclusion leading to remote code execution, full site takeover, data theft, and lateral movement from compromised sites.
Immediate action required
- affected<= 5.2.0
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.