CVE-2025-30090

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.

Published: 2025-04-02 Last update: 2026-04-15 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2025-30090

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-30090

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 2.7 [email protected]

Weakness enumeration for CVE-2025-30090

OS Trackers for CVE-2025-30090

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

Affected software / configurations for CVE-2025-30090

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-30090

cvelogic Threat Intelligence