XSS in Espocrm

CVE-2018-17302

Stored XSS exists in views/fields/wysiwyg.js in EspoCRM 5.3.6 via a /#Email/view saved draft message.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Espocrm — versions 5.3.6
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

0xT11/CVE-POC

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (x_refsource_MISC)

Frequently asked questions

What is CVE-2018-17302?: CVE-2018-17302 is a medium-severity vulnerability in Espocrm, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-09-21.
How severe is CVE-2018-17302?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2018-17302 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.