Medium severity · published Oct 8, 2026
CVE-2026-105831
EspoCRM before 10.0.6 Unauthenticated Stored HTML Injection via Lead Capture Form
4.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
espocrm · espocrm
before 10.0.6 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-105831
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-105831
vendor-advisory
https://github.com/espocrm/espocrm/security/advisories/GHSA-xfqv-j65r-qqgh
third-party-advisory
https://www.vulncheck.com/advisories/espocrm-before-10.0.6-unauthenticated-stored-html-injection-via-lead-capture-form
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