What is CVE-2026-40038?

CVE-2026-40038 is a high-severity vulnerability in Pachno, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-04-13.

How severe is CVE-2026-40038?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in Pachno

CVE-2026-40038

Pachno 1.0.6 contains a stored cross-site scripting vulnerability that allows attackers to execute arbitrary HTML and script code by injecting malicious payloads into POST parameters. Attackers can inject scripts through the value, comment…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (11.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Pachno — versions 1.0.6
Pancho Pachno — versions 1.0.6

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Zero Science Lab Disclosure (third-party-advisory)
VulnCheck Advisory: Pachno 1.0.6 Stored Cross-Site Scripting via Multiple Parameters (third-party-advisory)

Frequently asked questions

What is CVE-2026-40038?: CVE-2026-40038 is a high-severity vulnerability in Pachno, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-04-13.
How severe is CVE-2026-40038?: High severity. CVSS v3 base score is 7.2 out of 10.