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Vulnerability record · CVE-2007-6321 · published 12 December 2007

CVE-2007-6321: Roundcube webmail cross-site scripting vulnerability

Roundcube · Webmail

Cross-site scripting (XSS) vulnerability in RoundCube webmail 0.1rc2, 2007-12-09, and earlier versions, when using Internet Explorer, allows remote attackers to inject arbitrary web script or HTML via style sheets containing expression commands.

4.3 CVSS 2.0 Medium EPSS 5.4% · top 7.6% CWE-79 · Cross-site scripting
4.3CVSS 2.0 base score
5.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References, 8 tagged exploit
16 Jun 2026Last modified by NVD

Description

Cross-site scripting (XSS) vulnerability in RoundCube webmail 0.1rc2, 2007-12-09, and earlier versions, when using Internet Explorer, allows remote attackers to inject arbitrary web script or HTML via style sheets containing expression commands.

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://openmya.hacker.jp/hasegawa/security/expression.txt Exploit
http://secunia.com/advisories/30734
http://securityreason.com/securityalert/3435 Exploit
http://trac.roundcube.net/ticket/1484701 Exploit
http://www.securityfocus.com/archive/1/484802/100/0/threaded
http://www.securityfocus.com/bid/26800 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/38981
http://openmya.hacker.jp/hasegawa/security/expression.txt Exploit
http://secunia.com/advisories/30734
http://securityreason.com/securityalert/3435 Exploit
http://trac.roundcube.net/ticket/1484701 Exploit
http://www.securityfocus.com/archive/1/484802/100/0/threaded
http://www.securityfocus.com/bid/26800 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/38981

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-6321), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.