8.8

CVE-2021-29448: pi-hole adminlte Cross-site Scripting

CVSS: 8.8v3.1HighModified
Published 15-04-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-29448 is a high (CVSS 8.8) Cross-site Scripting vulnerability in pi-hole adminlte. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 51.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.67%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 15-04-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.67%

Chance of exploitation in the next 30 days

Percentile

51%

Versus all other CVEs

30-day change

0.00 pp

From 0.67% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.67%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Adminlte

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Pi-hole4 products

1 vendor · 4 products

References

1 links