CVE-2008-4903

Cross-site scripting (XSS) vulnerability in the leave comment (feedback) feature in Typo 5.1.3 and earlier allows remote attackers to inject arbitrary web script or HTML via the (1) comment[author] (Name) and (2) comment[url] (Website) parameters.

Published: 2008-11-04 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-4903 is rated Low Risk (35.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.33%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2008-4903

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 2025-03-30 0.52% 0.33% -0.19%
2 2025-03-29 0.33% 0.52% +0.19%
3 2025-03-17 — 0.33% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-4903

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-2008-4903

OS Trackers for CVE-2008-4903

vendor priority summary link
ubuntu medium CVE-2008-4903 medium priority: Ubuntu including 1 source packages (typo3-src), 7 status rows across 7 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, upstream): not-affected 5, ignored 2. https://ubuntu.com/security/CVE-2008-4903

Affected software / configurations for CVE-2008-4903

Vendor Product Version Raw CPE
typosphere typo <= 5.1.3 cpe:2.3:a:typosphere:typo:*:*:*:*:*:*:*:*
typosphere typo 1.6 cpe:2.3:a:typosphere:typo:1.6:*:*:*:*:*:*:*
typosphere typo 1.6.8 cpe:2.3:a:typosphere:typo:1.6.8:*:*:*:*:*:*:*
typosphere typo 2.0.0 cpe:2.3:a:typosphere:typo:2.0.0:*:*:*:*:*:*:*
typosphere typo 2.0.1 cpe:2.3:a:typosphere:typo:2.0.1:*:*:*:*:*:*:*
typosphere typo 2.0.5 cpe:2.3:a:typosphere:typo:2.0.5:*:*:*:*:*:*:*
typosphere typo 2.0.6 cpe:2.3:a:typosphere:typo:2.0.6:*:*:*:*:*:*:*
typosphere typo 2.5.0 cpe:2.3:a:typosphere:typo:2.5.0:*:*:*:*:*:*:*
typosphere typo 2.5.1 cpe:2.3:a:typosphere:typo:2.5.1:*:*:*:*:*:*:*
typosphere typo 2.5.2 cpe:2.3:a:typosphere:typo:2.5.2:*:*:*:*:*:*:*
typosphere typo 2.5.3 cpe:2.3:a:typosphere:typo:2.5.3:*:*:*:*:*:*:*
typosphere typo 2.5.4 cpe:2.3:a:typosphere:typo:2.5.4:*:*:*:*:*:*:*
typosphere typo 2.5.5 cpe:2.3:a:typosphere:typo:2.5.5:*:*:*:*:*:*:*
typosphere typo 2.5.6 cpe:2.3:a:typosphere:typo:2.5.6:*:*:*:*:*:*:*
typosphere typo 2.5.7 cpe:2.3:a:typosphere:typo:2.5.7:*:*:*:*:*:*:*
typosphere typo 2.5.8 cpe:2.3:a:typosphere:typo:2.5.8:*:*:*:*:*:*:*
typosphere typo 2.6.0 cpe:2.3:a:typosphere:typo:2.6.0:*:*:*:*:*:*:*
typosphere typo 3.99.0 cpe:2.3:a:typosphere:typo:3.99.0:*:*:*:*:*:*:*
typosphere typo 3.99.1 cpe:2.3:a:typosphere:typo:3.99.1:*:*:*:*:*:*:*
typosphere typo 3.99.2 cpe:2.3:a:typosphere:typo:3.99.2:*:*:*:*:*:*:*
typosphere typo 3.99.3 cpe:2.3:a:typosphere:typo:3.99.3:*:*:*:*:*:*:*
typosphere typo 3.99.4 cpe:2.3:a:typosphere:typo:3.99.4:*:*:*:*:*:*:*
typosphere typo 4.0.0 cpe:2.3:a:typosphere:typo:4.0.0:*:*:*:*:*:*:*
typosphere typo 4.1.1 cpe:2.3:a:typosphere:typo:4.1.1:*:*:*:*:*:*:*
typosphere typo 5.0.2 cpe:2.3:a:typosphere:typo:5.0.2:*:*:*:*:*:*:*
typosphere typo 5.0.3 cpe:2.3:a:typosphere:typo:5.0.3:*:*:*:*:*:*:*
typosphere typo 5.0.3.98 cpe:2.3:a:typosphere:typo:5.0.3.98:*:*:*:*:*:*:*
typosphere typo 5.0.3.98.1 cpe:2.3:a:typosphere:typo:5.0.3.98.1:*:*:*:*:*:*:*
typosphere typo 5.1 cpe:2.3:a:typosphere:typo:5.1:*:*:*:*:*:*:*
typosphere typo 5.1.1 cpe:2.3:a:typosphere:typo:5.1.1:*:*:*:*:*:*:*
typosphere typo 5.1.2 cpe:2.3:a:typosphere:typo:5.1.2:*:*:*:*:*:*:*

References for CVE-2008-4903

cvelogic Threat Intelligence