CVE-2008-5304

Exp

Cross-site scripting (XSS) vulnerability in TWiki before 4.2.4 allows remote attackers to inject arbitrary web script or HTML via the %URLPARAM{}% variable.

Published: 2008-12-10 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2008-5304 is rated High Exploit Risk (65.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 6.49%, 91th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.35% over the last day, indicating growing attacker interest. 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.

Public exploit references (Exploit-DB) for CVE-2008-5304

EDB-ID Source Kind Published Link
32646 exploit_db edb 2008-12-06 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2008-5304

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 2026-01-30 5.15% 6.49% +1.35%
2 2025-12-10 5.51% 5.15% -0.37%
3 2025-07-30 5.51%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-5304

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-2008-5304

OS Trackers for CVE-2008-5304

vendor priority summary link
ubuntu medium CVE-2008-5304 medium priority: Ubuntu including 1 source packages (twiki), 11 status rows across 11 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): ignored 6, DNE 4, released 1. https://ubuntu.com/security/CVE-2008-5304

Affected software / configurations for CVE-2008-5304

Vendor Product Version Raw CPE
twiki twiki <= 4.2.3 cpe:2.3:a:twiki:twiki:*:*:*:*:*:*:*:*
twiki twiki 4.0.0 cpe:2.3:a:twiki:twiki:4.0.0:*:*:*:*:*:*:*
twiki twiki 4.0.1 cpe:2.3:a:twiki:twiki:4.0.1:*:*:*:*:*:*:*
twiki twiki 4.0.2 cpe:2.3:a:twiki:twiki:4.0.2:*:*:*:*:*:*:*
twiki twiki 4.0.3 cpe:2.3:a:twiki:twiki:4.0.3:*:*:*:*:*:*:*
twiki twiki 4.0.4 cpe:2.3:a:twiki:twiki:4.0.4:*:*:*:*:*:*:*
twiki twiki 4.0.5 cpe:2.3:a:twiki:twiki:4.0.5:*:*:*:*:*:*:*
twiki twiki 4.1.0 cpe:2.3:a:twiki:twiki:4.1.0:*:*:*:*:*:*:*
twiki twiki 4.1.1 cpe:2.3:a:twiki:twiki:4.1.1:*:*:*:*:*:*:*
twiki twiki 4.1.2 cpe:2.3:a:twiki:twiki:4.1.2:*:*:*:*:*:*:*
twiki twiki 4.2.0 cpe:2.3:a:twiki:twiki:4.2.0:*:*:*:*:*:*:*
twiki twiki 4.2.1 cpe:2.3:a:twiki:twiki:4.2.1:*:*:*:*:*:*:*
twiki twiki 4.2.2 cpe:2.3:a:twiki:twiki:4.2.2:*:*:*:*:*:*:*
twiki twiki 2000-12-01 cpe:2.3:a:twiki:twiki:2000-12-01:*:*:*:*:*:*:*
twiki twiki 2001-09-01 cpe:2.3:a:twiki:twiki:2001-09-01:*:*:*:*:*:*:*
twiki twiki 2001-12-01 cpe:2.3:a:twiki:twiki:2001-12-01:*:*:*:*:*:*:*
twiki twiki 2003-02-01 cpe:2.3:a:twiki:twiki:2003-02-01:*:*:*:*:*:*:*
twiki twiki 2004-09-01 cpe:2.3:a:twiki:twiki:2004-09-01:*:*:*:*:*:*:*
twiki twiki 2004-09-02 cpe:2.3:a:twiki:twiki:2004-09-02:*:*:*:*:*:*:*
twiki twiki 2004-09-03 cpe:2.3:a:twiki:twiki:2004-09-03:*:*:*:*:*:*:*
twiki twiki 2004-09-04 cpe:2.3:a:twiki:twiki:2004-09-04:*:*:*:*:*:*:*

References for CVE-2008-5304

cvelogic Threat Intelligence