CVE-2026-105831

EspoCRM before 10.0.6 Unauthenticated Stored HTML Injection via Lead Capture Form

State: Published
Severity: 5.3 Medium
Published: Oct 8, 2026
Updated: Oct 8, 2026
Reserved: Oct 5, 2026

Description

EspoCRM before 10.0.6 contains a stored HTML injection vulnerability that allows unauthenticated attackers to inject HTML by submitting crafted Lead Capture public form data. The request body is stored in LeadCaptureLogRecord.data and rendered unescaped when administrators view the log record, though Content Security Policy blocks JavaScript execution.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N	VulnCheck

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
espocrmespocrm	before 10.0.6Affected 10.0.6Not affected

References

GitHub Security Advisory (GHSA-xfqv-j65r-qqgh)vendor-advisory
VulnCheck Advisory: EspoCRM before 10.0.6 Unauthenticated Stored HTML Injection via Lead Capture Formthird-party-advisory

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