XSS in Bludit

CVE-2026-72576

A stored cross-site scripting (XSS) vulnerability in Bludit 4.0.0-beta allows a low-privileged authenticated user (Author role) to inject arbitrary JavaScript by uploading a crafted SVG file as the site logo. A stored script tag in the SVG executes in the browser of any user who loads the logo.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (6.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-72576: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Bludit — versions 4.0.0-beta

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-72576?
CVE-2026-72576 is a medium-severity vulnerability in Bludit, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-08-10.
How severe is CVE-2026-72576?
Medium severity. CVSS v3 base score is 5.4 out of 10.