Multiple cross-site scripting (XSS) vulnerabilities in Horde Groupware, Groupware Webmail Edition, and Kronolith allow remote attackers to inject arbitrary web script or HTML via the timestamp parameter to (1) week.php, (2) workweek.php, and (3) day.php; and (4) the horde parameter in the PATH_INFO to the default URI. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
Conclusion & alert: CVE-2008-2783 is rated Exploit Available (50/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.25%). Core evidence: 4 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 |
|---|---|---|---|---|
| 31838 | exploit_db | edb | 2008-05-24 | Exploit-DB ↗ |
| 31839 | exploit_db | edb | 2008-05-24 | Exploit-DB ↗ |
| 31840 | exploit_db | edb | 2008-05-24 | 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 | 2025-12-04 | 0.27% | 0.25% | -0.03% |
| 2 | 2025-08-09 | 0.16% | 0.27% | +0.11% |
| 3 | 2025-06-19 | — | 0.16% | — |
Full EPSS history (8 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 | priority | summary | link |
|---|---|---|---|
ubuntu
|
low | CVE-2008-2783 low priority: Ubuntu including 2 source packages (horde3, kronolith2), 16 status rows across 8 suites (dapper, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): ignored 10, not-affected 4, needs-triage 2. | https://ubuntu.com/security/CVE-2008-2783 |