mime.php in SquirrelMail through 1.4.23-svn-20250401 and 1.5.x through 1.5.2-svn-20250401 allows XSS via e-mail headers, because JavaScript payloads are mishandled after $encoded has been set to true.
Conclusion & alert: CVE-2025-30090 is rated Moderate Risk (47/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.28%). 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 | 2026-05-13 | 0.22% | 0.28% | +0.06% |
| 2 | 2026-01-27 | 0.05% | 0.22% | +0.17% |
| 3 | 2025-12-17 | — | 0.05% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 3.1 | HIGH |
|
3.9 | 2.7 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2025-30090 medium priority: Ubuntu including 1 source packages (squirrelmail), 9 status rows across 9 suites (focal, jammy, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 6, needs-triage 3. | https://ubuntu.com/security/CVE-2025-30090 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| No affected products in dataset. | |||