What is CVE-2026-33741?

CVE-2026-33741 is a medium-severity vulnerability in Espocrm, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-05-19.

How severe is CVE-2026-33741?

Medium severity. CVSS v3 base score is 6.8 out of 10.

XSS in Espocrm

CVE-2026-33741

EspoCRM is an open source customer relationship management application. Versions 9.3.3 and below allow authenticated users to upload SVG attachments through normal attachment-capable fields and later serve those SVG files as top-level inli…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (12.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L.

Affected products

Espocrm — versions < 9.3.4

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-33741?: CVE-2026-33741 is a medium-severity vulnerability in Espocrm, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-05-19.
How severe is CVE-2026-33741?: Medium severity. CVSS v3 base score is 6.8 out of 10.