XSS in Pi-Hole Adminlte
CVE-2021-29448
Pi-hole is a Linux network-level advertisement and Internet tracker blocking application. The Stored XSS exists in the Pi-hole Admin portal, which can be exploited by the malicious actor with the network access to DNS server. See the referenced GitHub security advisory for patch details.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Pi-Hole Adminlte — versions <= 5.4
- Pi-Hole Ftldns — versions 5.7
- Pi-Hole — versions 5.2.4
- Pi-Hole Web Interface
Weakness classification (CWE)
References
- github.com/pi-hole/AdminLTE/security/advisories/GHSA-cwwf-93p7-73j9 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-29448?
- CVE-2021-29448 is a high-severity vulnerability in Pi-Hole Adminlte, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2021-04-15.
- How severe is CVE-2021-29448?
- High severity. CVSS v3 base score is 7.6 out of 10.