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Description

An 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.

PUBLISHED Reserved 2025-11-28 | Published 2026-03-31 | Updated 2026-03-31 | Assigner OX




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

Problem types

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Product status

Default status
unaffected

1.9.0 (semver) before 1.9.12
affected

2.0.0 (semver) before 2.0.3
affected

Credits

Aisle Research finder

References

www.dnsdist.org/...owerdns-advisory-for-dnsdist-2026-02.html

cve.org (CVE-2026-0396)

nvd.nist.gov (CVE-2026-0396)

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