Answer in brief
CVE-2026-90964 records a Unknown severity vulnerability in Essential Real Estate < 5.3.5 - Unauthenticated Arbitrary Email Sending. The current sources do not mark it as known exploited. The current feed maps Unknown/Essential Real Estate (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Unknown/Essential Real Estate (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Essential Real Estategeneric | >=0 <5.3.5 | 5.3.5 |
Published upstream
Nov 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 5, 2026
The Essential Real Estate WordPress plugin before 5.3.5 does not restrict the recipient of one of its contact email actions, allowing unauthenticated users to send emails to arbitrary addresses with an attacker-controlled sender header and message body through the site.
Quoted source text, attributed separately from HOL analysis.