Vulnerability Details : CVE-2020-35659
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.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2020-35659
- cpe:2.3:a:pi-hole:pi-hole:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-35659
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-35659
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2020-35659
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-35659
-
https://discourse.pi-hole.net/t/pi-hole-core-web-v5-2-2-and-ftl-v5-3-3-released/41998
Pi-hole Core/Web v5.2.2 and FTL v5.3.3 released! - Announcements - Pi-hole UserspaceRelease Notes;Vendor Advisory
-
https://github.com/pi-hole/AdminLTE/pull/1665
Prevent malformed DNS queries executing JS on querylog/long term query pages by PromoFaux · Pull Request #1665 · pi-hole/AdminLTE · GitHubPatch;Third Party Advisory
-
https://blog.mirch.io/2020/12/24/pihole-xss/
Pi-hole Patches Critical Stored XSS Vulnerability – Rich MirchThird Party Advisory
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