CVE-2004-2755

Cross-site scripting (XSS) vulnerability in Symantec Web Security 2.5, 3.0.0, and 3.0.1 before build 62 allows remote attackers to inject arbitrary web script or HTML via the query string in blocked URLs that are listed in (1) error or (2) block page messages.

Published: 2004-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-2755 is rated Moderate Risk (44.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.16%). Review affected assets and schedule remediation.

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-2004-2755

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 1.09% 1.16% +0.07%
2 2025-03-30 1.19% 1.09% -0.10%
3 2025-03-29 — 1.19% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-2755

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-2004-2755

Affected software / configurations for CVE-2004-2755

Vendor Product Version Raw CPE
symantec web_security 2.5 cpe:2.3:a:symantec:web_security:2.5:*:*:*:*:*:*:*
symantec web_security 3.0 cpe:2.3:a:symantec:web_security:3.0:*:*:*:*:*:*:*
symantec web_security 3.0.1 cpe:2.3:a:symantec:web_security:3.0.1:*:*:*:*:*:*:*

References for CVE-2004-2755

cvelogic Threat Intelligence