Answer in brief
CVE-2026-18044 records a Unknown severity vulnerability in Estatik Real Estate Plugin < 4.3.4 - Unauthenticated Arbitrary-Recipient Mail Relay via Signed-Value Mismatch. The current sources do not mark it as known exploited. The current feed maps Unknown/Estatik Real Estate Plugin (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/Estatik Real Estate Plugin (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Estatik Real Estate Plugingeneric | >=0 <4.3.4 | 4.3.4 |
Published upstream
Aug 12, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 12, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 12, 2026
The Estatik Real Estate Plugin WordPress plugin before 4.3.4 does not validate the same recipient list that it later uses to address the message sent by its property request form, allowing unauthenticated users to send emails to arbitrary recipients with arbitrary subject, body and Reply-To on sites where the form is configured to route to a custom address.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-18044 records a Unknown severity vulnerability in Estatik Real Estate Plugin < 4.3.4 - Unauthenticated Arbitrary-Recipient Mail Relay via Signed-Value Mismatch. The current sources do not mark it as known exploited. The current feed maps Unknown/Estatik Real Estate Plugin (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/Estatik Real Estate Plugin (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Estatik Real Estate Plugingeneric | >=0 <4.3.4 | 4.3.4 |
Published upstream
Aug 12, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 12, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 12, 2026
The Estatik Real Estate Plugin WordPress plugin before 4.3.4 does not validate the same recipient list that it later uses to address the message sent by its property request form, allowing unauthenticated users to send emails to arbitrary recipients with arbitrary subject, body and Reply-To on sites where the form is configured to route to a custom address.
Quoted source text, attributed separately from HOL analysis.