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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.9.0,1.9.12)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.0.0,2.0.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DNSdist", "source": "cna", "vendor": "PowerDNS"}, "product": "dnsdist", "vendor": "powerdns"}], "analysis": {"en": {"generated_at": "2026-04-13T14:51:01.606674+00:00", "value": {"mitigation_remediation": ["Update DNSdist to the latest version that addresses the HTML injection flaw", "Disable domain\u2011based dynamic rule features if they are not required", "Restrict access to the DNSdist web dashboard to trusted administrators only", "Configure network firewall or security controls to block external DNS traffic to the dashboard port if not needed"], "summary": {"action": "Apply patch", "impact": "Cross\u2011Site Scripting on internal dashboard"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the PowerDNS DNSdist product. No specific versions are listed, so all releases running DNSdist with enabled dynamic rule features are potentially affected.", "description_and_impact": "An attacker can send specially crafted DNS queries to a DNSdist instance that has domain\u2011based dynamic rules enabled. The queries trigger the insertion of arbitrary HTML into the internal web dashboard, a form of cross\u2011site scripting that can allow the attacker to display malicious content or perform actions in the context of users interacting with the dashboard.", "risk_and_exploitability": "With a CVSS score of 3.1, the vulnerability is considered low severity, and its EPSS score is below 1\u202f%, indicating a low likelihood of exploitation in the wild. The vulnerability is not listed in the CISA KEV catalog. Exploitation requires an attacker to be able to send crafted DNS queries to the DNSdist instance, so it is most relevant for attackers who already have network access to the DNS infrastructure or can influence traffic towards the application."}}}}, "created": "2026-03-31T19:54:52.773327+00:00", "updated": "2026-04-14T16:42:22.209097+00:00", "vendors": ["powerdns", "powerdns$PRODUCT$dnsdist"]}