CVE-2020-35659
mediumpriority · track · 24EPSS 0.010 · 61 %ileEUUSEPSS · scored 2026-10-27
The DNS query log in Pi-hole before 5.2.2 is vulnerable to stored XSS. An attacker with the ability to directly or indirectly query DNS with a malicious hostname can cause arbitrary JavaScript to execute when the Pi-hole administrator visits the Query Log or Long-term data Query Log page.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://blog.mirch.io/2020/12/24/pihole-xss/cnnvd
- https://discourse.pi-hole.net/t/pi-hole-core-web-v5-2-2-and-ftl-v5-3-3-released/41998cnnvd
- https://github.com/pi-hole/AdminLTE/pull/1665cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-35659cnnvd
- https://blog.mirch.io/2020/12/24/pihole-xss/enisa_euvd
- https://discourse.pi-hole.net/t/pi-hole-core-web-v5-2-2-and-ftl-v5-3-3-released/41998enisa_euvd
- https://github.com/pi-hole/AdminLTE/pull/1665enisa_euvd
- https://blog.mirch.io/2020/12/24/pihole-xss/Third Party Advisorynvd
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