CVE-2020-35659

Description

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.45%
Vendor Advisory pi-hole.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/pi-hole/AdminLTE/pull/1665 third party advisory patch
https://discourse.pi-hole.net/t/pi-hole-core-web-v5-2-2-and-ftl-v5-3-3-released/41998 release notes vendor advisory
https://blog.mirch.io/2020/12/24/pihole-xss/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-35659?
CVE-2020-35659 has been scored as a medium severity vulnerability.
How to fix CVE-2020-35659?
To fix CVE-2020-35659, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-35659 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-35659 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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