EUVD-2026-76191
GHSA-r5cm-jj5f-jjq3
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Unauthenticated network access returns sensitive data with low confidentiality impact; no integrity or availability effect applies.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Insertion of Sensitive Information Into Sent Data vulnerability in 10up ElasticPress allows Retrieve Embedded Sensitive Data.
This issue affects ElasticPress: from n/a through 5.3.4.
AnalysisAI
Sensitive data exposure in the ElasticPress WordPress plugin (versions through 5.3.4) allows unauthenticated network attackers to retrieve embedded sensitive information from plugin responses. The root cause is CWE-201: the plugin inserts confidential data into outbound payloads - likely search query results or API responses passed to Elasticsearch/OpenSearch - where it becomes accessible without authentication. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No authentication is required (PR:N) and no user interaction is needed (UI:N); exploitation is possible against any internet-facing WordPress installation running ElasticPress through 5.3.4 where the search or REST API endpoint is publicly accessible. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 5.3 Medium score reflects a genuine but bounded risk: confidentiality impact is Low (C:L), with no integrity or availability consequences. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Update ElasticPress to a version beyond 5.3.4 as soon as a patched release is published by 10up. … Detailed patch versions, workarounds, and compensating controls in full report. |
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More in Elasticpress
View allThe ElasticPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.5.
Cross-Site Request Forgery (CSRF) vulnerability in 10up ElasticPress elasticpress.1.1. Rated medium severity (CVSS 4.3),
Same technique Information Disclosure
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External POC / Exploit Code
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