Is CVE-2007-4557 being actively exploited?

CVE-2007-4557 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2007-4557?

CVE-2007-4557 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2007-4557

MEDIUM · CVSS 4.3EPSS 1.0%EU EUVD

Cross-site scripting (XSS) vulnerability in the webacc servlet in Novell GroupWise 6.5 WebAccess allows remote attackers to inject arbitrary web script or HTML via the User.Id parameter, as demonstrated by a URL within a url field in a STYLE element, possibly due to an incomplete fix for CVE-2004-2103.2.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-79
EPSS score: 1.0% (62th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2007-4539)
Published: August 28, 2007
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-4539 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

novell / groupwise webaccess

References

http://0x000000.com/index.php?i=409

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain