SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2008-5304

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.

EXPLOIT ✓MEDIUM 4.3EPSS 2.24%

Does this matter?

A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 2.2%. Treat it as high on anything reachable from the internet.

Description

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.

CVSS 2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS
2.24% probability · 83th percentile
Public exploits
1 in Exploit-DB · verified · first 6 December 2008
CISA KEV
Not listed
Weakness
CWE-79
Affected
twiki/twiki
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 2.24%26 October 202626 October 2026

EPSS 2.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-32646source ↗TWiki 4.x - 'URLPARAM' Cross-Site Scriptingphp · Marc Schoenefeldwebapps6 December 2008yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.