Cross-site scripting (XSS) vulnerability in index.php in Hastymail2 2.1.1 before RC2 allows remote attackers to inject arbitrary web script or HTML via the rs parameter in a mailbox Drafts action.
Conclusion & alert: CVE-2011-4541 is rated Exploit Available (56.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.61%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 36347 | exploit_db | edb | 2011-11-22 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-06-15 | 2.92% | 1.61% | -1.31% |
| 2 | 2026-03-18 | 3.02% | 2.92% | -0.11% |
| 3 | 2026-01-23 | — | 3.02% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| hastymail | hastymail2 | — | cpe:2.3:a:hastymail:hastymail2:*:beta1:*:*:*:*:*:* |
| hastymail | hastymail2 | — | cpe:2.3:a:hastymail:hastymail2:*:beta2:*:*:*:*:*:* |
| hastymail | hastymail2 | — | cpe:2.3:a:hastymail:hastymail2:*:beta3:*:*:*:*:*:* |
| hastymail | hastymail2 | — | cpe:2.3:a:hastymail:hastymail2:*:rc1:*:*:*:*:*:* |
| hastymail | hastymail2 | — | cpe:2.3:a:hastymail:hastymail2:*:rc2:*:*:*:*:*:* |
| hastymail | hastymail2 | — | cpe:2.3:a:hastymail:hastymail2:*:rc3:*:*:*:*:*:* |
| hastymail | hastymail2 | — | cpe:2.3:a:hastymail:hastymail2:*:rc4:*:*:*:*:*:* |
| hastymail | hastymail2 | — | cpe:2.3:a:hastymail:hastymail2:*:rc5:*:*:*:*:*:* |
| hastymail | hastymail2 | — | cpe:2.3:a:hastymail:hastymail2:*:rc6:*:*:*:*:*:* |
| hastymail | hastymail2 | — | cpe:2.3:a:hastymail:hastymail2:*:rc7:*:*:*:*:*:* |
| hastymail | hastymail2 | — | cpe:2.3:a:hastymail:hastymail2:*:rc8:*:*:*:*:*:* |
| hastymail | hastymail2 | — | cpe:2.3:a:hastymail:hastymail2:*:rc9:*:*:*:*:*:* |
| hastymail | hastymail2 | <= 2.1.1 | cpe:2.3:a:hastymail:hastymail2:*:rc1:*:*:*:*:*:* |
| hastymail | hastymail2 | 1.0 | cpe:2.3:a:hastymail:hastymail2:1.0:*:*:*:*:*:*:* |
| hastymail | hastymail2 | 1.01 | cpe:2.3:a:hastymail:hastymail2:1.01:*:*:*:*:*:*:* |
| hastymail | hastymail2 | 1.1 | cpe:2.3:a:hastymail:hastymail2:1.1:rc1:*:*:*:*:*:* |
| hastymail | hastymail2 | 1.1 | cpe:2.3:a:hastymail:hastymail2:1.1:rc2:*:*:*:*:*:* |
| hastymail | hastymail2 | 2.0 | cpe:2.3:a:hastymail:hastymail2:2.0:*:*:*:*:*:*:* |
| hastymail | hastymail2 | 2.0 | cpe:2.3:a:hastymail:hastymail2:2.0:a1:*:*:*:*:*:* |
| hastymail | hastymail2 | 2.0 | cpe:2.3:a:hastymail:hastymail2:2.0:a2:*:*:*:*:*:* |
| hastymail | hastymail2 | 2.0 | cpe:2.3:a:hastymail:hastymail2:2.0:b1:*:*:*:*:*:* |
| hastymail | hastymail2 | 2.0 | cpe:2.3:a:hastymail:hastymail2:2.0:b2:*:*:*:*:*:* |
| hastymail | hastymail2 | 2.0 | cpe:2.3:a:hastymail:hastymail2:2.0:b3:*:*:*:*:*:* |
| hastymail | hastymail2 | 2.0 | cpe:2.3:a:hastymail:hastymail2:2.0:rc1:*:*:*:*:*:* |
| hastymail | hastymail2 | 2.0.1 | cpe:2.3:a:hastymail:hastymail2:2.0.1:*:*:*:*:*:*:* |
| hastymail | hastymail2 | 2.0.2 | cpe:2.3:a:hastymail:hastymail2:2.0.2:*:*:*:*:*:*:* |
| hastymail | hastymail2 | 2.0.3 | cpe:2.3:a:hastymail:hastymail2:2.0.3:*:*:*:*:*:*:* |
| hastymail | hastymail2 | 2.0.4 | cpe:2.3:a:hastymail:hastymail2:2.0.4:*:*:*:*:*:*:* |
| hastymail | hastymail2 | 2.0.5 | cpe:2.3:a:hastymail:hastymail2:2.0.5:*:*:*:*:*:*:* |