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    <lastBuildDate>Wed, 07 Oct 2026 20:37:18 +0000</lastBuildDate>
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      <title>CVE-2026-12047 — pgAdmin 4: HTML injection in cloud verify_credentials / deploy endpoints via unsanitised SDK exception text</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-12047</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; pgadmin.org pgAdmin 4&lt;/p&gt;
&lt;p&gt;HTML injection in pgAdmin 4&amp;#39;s cloud deployment module. The verify_credentials, deploy, regions, and update-server endpoints under /rds/, /azure/, /google/, and the top-level /cloud/ blueprint propagated AWS / Azure / Google SDK exception text — and the related file-resolution and database-commit exception text — into the JSON response body (the info and errormsg fields) without HTML-encoding. The Cloud Wizard frontend rendered these strings through html-react-parser, so an attacker-influenced exception message embedded structural HTML directly into the wizard&amp;#39;s DOM.&lt;/p&gt;
&lt;p&gt;The reported entry point is /rds/verify_credentials/. An authenticated pgAdmin user submits a crafted access_key whose value contains an &amp;lt;iframe/src=...&amp;gt; payload; AWS STS rejects the credential with an IncompleteSignature exception whose text quotes the access_key verbatim; the pgAdmin backend forwards that text into the JSON info field; the Cloud Wizard&amp;#39;s FormFooterMessage parses it as HTML. The browser fetches the iframe&amp;#39;s src from an attacker-controlled host, and JavaScript executing inside the cross-origin iframe writes to parent.location, redirecting the victim&amp;#39;s pgAdmin tab. Because the injection renders inside pgAdmin&amp;#39;s own interface, X-Frame-Options and Content-Security-Policy frame-ancestors do not mitigate it. Baseline impact is self-targeted (the same user who supplied the payload sees the injection); escalation against other authenticated users requires an additional cross-site request-forgery primit…&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; pgadmin.org pgAdmin 4&lt;/p&gt;
&lt;p&gt;HTML injection in pgAdmin 4&amp;#39;s cloud deployment module. The verify_credentials, deploy, regions, and update-server endpoints under /rds/, /azure/, /google/, and the top-level /cloud/ blueprint propagated AWS / Azure / Google SDK exception text — and the related file-resolution and database-commit exception text — into the JSON response body (the info and errormsg fields) without HTML-encoding. The Cloud Wizard frontend rendered these strings through html-react-parser, so an attacker-influenced exception message embedded structural HTML directly into the wizard&amp;#39;s DOM.&lt;/p&gt;
&lt;p&gt;The reported entry point is /rds/verify_credentials/. An authenticated pgAdmin user submits a crafted access_key whose value contains an &amp;lt;iframe/src=...&amp;gt; payload; AWS STS rejects the credential with an IncompleteSignature exception whose text quotes the access_key verbatim; the pgAdmin backend forwards that text into the JSON info field; the Cloud Wizard&amp;#39;s FormFooterMessage parses it as HTML. The browser fetches the iframe&amp;#39;s src from an attacker-controlled host, and JavaScript executing inside the cross-origin iframe writes to parent.location, redirecting the victim&amp;#39;s pgAdmin tab. Because the injection renders inside pgAdmin&amp;#39;s own interface, X-Frame-Options and Content-Security-Policy frame-ancestors do not mitigate it. Baseline impact is self-targeted (the same user who supplied the payload sees the injection); escalation against other authenticated users requires an additional cross-site request-forgery primit…&lt;/p&gt;</content:encoded>
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