What is CVE-2026-28116?

CVE-2026-28116 is a medium-severity vulnerability in Emilia Projects Progress Planner, classified under Cross-site Scripting. CVSS score: 5.9/10. Published 2026-06-02.

How severe is CVE-2026-28116?

Medium severity. CVSS v3 base score is 5.9 out of 10.

XSS in Emilia Projects Progress Planner

CVE-2026-28116

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Emilia Projects Progress Planner allows Stored XSS. This issue affects Progress Planner: from n/a through 1.9.0.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (9.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L.

Affected products

Emilia Projects Progress Planner — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-28116?: CVE-2026-28116 is a medium-severity vulnerability in Emilia Projects Progress Planner, classified under Cross-site Scripting. CVSS score: 5.9/10. Published 2026-06-02.
How severe is CVE-2026-28116?: Medium severity. CVSS v3 base score is 5.9 out of 10.