CVE-2026-40038: Pachno 1.0.6 Stored Cross-Site Scripting via Multiple Parameters

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-13 · updated 2026-10-26
Weakness: CWE-79

Description

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_body, article_content, description, and message parameters across multiple controllers, which are stored in the database and executed in users' browser sessions due to improper sanitization via Request::getRawParameter() or Request::getParameter() calls.

Affected products

Pachno: 1.0.6

References

https://www.vulncheck.com/advisories/pachno-stored-cross-site-scripting-via-multiple-parameters
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5980.php

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