GHSA-95j3-435g-vjcp · Severity: medium · Ecosystem: composer — Leantime affected by Improper Neutralization of HTML Tags
Cross Site Scripting vulnerability in Leantime v3.2.1 and before allows an authenticated attacker to execute arbitrary code and obtain sensitive information via the first name field in processMentions().
Conclusion & alert: CVE-2025-28254 is rated Moderate Risk (44.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.47%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-09 | 0.61% | 0.47% | -0.14% |
| 2 | 2026-05-08 | 0.34% | 0.61% | +0.27% |
| 3 | 2026-05-06 | — | 0.34% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.4 | 3.1 | MEDIUM |
|
2.3 | 2.7 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
GHSA-95j3-435g-vjcp · Severity: medium · Ecosystem: composer — Leantime affected by Improper Neutralization of HTML Tags