HTML injection in the web dashboard

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-0396
StatePUBLISHED
AssignerOX
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-31 12:16:27 UTC
Updated2026-04-01 14:24:02 UTC
DescriptionAn attacker might be able to inject HTML content into the internal web dashboard by sending crafted DNS queries to a DNSdist instance where domain-based dynamic rules have been enabled via either DynBlockRulesGroup:setSuffixMatchRule or DynBlockRulesGroup:setSuffixMatchRuleFFI.

Risk And Classification

Primary CVSS: v3.1 3.1 LOW from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS: 0.000030000 probability, percentile 0.001340000 (date 2026-04-01)

Problem Types: CWE-80 | Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) | CWE-80 CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary3.1LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
3.1CNACVSS3.1LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA PowerDNS DNSdist affected 1.9.0 1.9.12 semver Not specified
CNA PowerDNS DNSdist affected 2.0.0 2.0.3 semver Not specified

References

ReferenceSourceLinkTags
www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html [email protected] www.dnsdist.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Aisle Research (en)

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