CVE-2026-72574
MEDIUMDescription
A host header injection vulnerability in picocms/Pico through 2.1.4 allows an unauthenticated remote attacker to control the origin of JavaScript and CSS assets loaded by the default theme. When base_url is unset (the default), Pico::getBaseUrl in lib/Pico.php builds the base URL from unvalidated Host, X-Forwarded-Host, X-Forwarded-Proto, and X-Forwarded-Port request headers.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Exploit Intelligence
EPSS data unavailable for this CVE.
References
Related Vulnerabilities
Other CWE-644 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2017-6031 | High | 8.8 | 2.8% | - | - |
| CVE-2021-21265 | Medium | 6.8 | 1.7% | - | Fix |
| CVE-2021-41114 | Medium | 4.8 | 1.2% | - | Fix |
| CVE-2021-20784 | Medium | 6.1 | 1.1% | - | Fix |
| CVE-2020-6982 | High | 8.8 | 1.1% | - | - |
| CVE-2024-1064 | High | 7.5 | 0.8% | - | - |
Common questions
How do I fix CVE-2026-72574?
No published fix for CVE-2026-72574 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
How severe is CVE-2026-72574?
CVE-2026-72574 has a CVSS v3 base score of 6.1, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
Embed a live status badge for CVE-2026-72574
Markdown
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-08-10.