CVE-2005-0863

Exp

Cross-site scripting (XSS) vulnerability in PHPOpenChat v3.x allows remote attackers to inject arbitrary web script or HTML via (1) the chatter parameter to regulars.php or (2) the chatter, chatter1, chatter2, chatter3, or chatter4 parameters to register.php.

Published: 2005-05-02 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-0863 is rated Exploit Available (59.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.70%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.23% over the last day, indicating growing attacker interest. 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.

Public exploit references (Exploit-DB) for CVE-2005-0863

EDB-ID Source Kind Published Link
25236 exploit_db edb 2005-03-18 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2005-0863

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 0.48% 1.70% +1.23%
2 2025-03-17 0.27% 0.48% +0.21%
3 2023-03-07 — 0.27% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-0863

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2005-0863

Affected software / configurations for CVE-2005-0863

Vendor Product Version Raw CPE
phpopenchat phpopenchat 3.0.0 cpe:2.3:a:phpopenchat:phpopenchat:3.0.0:*:*:*:*:*:*:*
phpopenchat phpopenchat 3.0.1 cpe:2.3:a:phpopenchat:phpopenchat:3.0.1:*:*:*:*:*:*:*
phpopenchat phpopenchat 3.0.2 cpe:2.3:a:phpopenchat:phpopenchat:3.0.2:*:*:*:*:*:*:*

References for CVE-2005-0863

cvelogic Threat Intelligence