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Vulnerability record · CVE-2015-8770 · published 29 January 2016

CVE-2015-8770: Roundcube webmail path traversal vulnerability

Roundcube · Roundcube Webmail

Directory traversal vulnerability in the set_skin function in program/include/rcmail_output_html.php in Roundcube before 1.0.8 and 1.1.x before 1.1.4 allows remote authenticated users with certain permissions to read arbitrary files or possibly execute arbitrary code via a .. (dot dot) in the _skin parameter to index.php.

7.5 CVSS 3.0 High EPSS 22% · top 2.4% CWE-22 · Path traversal
7.5CVSS 3.0 base score, v2 6.0
22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
24References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

Directory traversal vulnerability in the set_skin function in program/include/rcmail_output_html.php in Roundcube before 1.0.8 and 1.1.x before 1.1.4 allows remote authenticated users with certain permissions to read arbitrary files or possibly execute arbitrary code via a .. (dot dot) in the _skin parameter to index.php.

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00028.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00029.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00030.html
http://packetstormsecurity.com/files/135274/Roundcube-1.1.3-Path-Traversal.html Exploit
http://trac.roundcube.net/changeset/10e5192a2b/github
http://trac.roundcube.net/ticket/1490620
http://www.debian.org/security/2016/dsa-3541
http://www.securityfocus.com/archive/1/537304/100/0/threaded
https://roundcube.net/news/2015/12/26/updates-1.1.4-and-1.0.8-released/ PatchVendor Advisory
https://security.gentoo.org/glsa/201603-03
https://www.exploit-db.com/exploits/39245/
https://www.htbridge.com/advisory/HTB23283 Exploit
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00028.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00029.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00030.html
http://packetstormsecurity.com/files/135274/Roundcube-1.1.3-Path-Traversal.html Exploit
http://trac.roundcube.net/changeset/10e5192a2b/github
http://trac.roundcube.net/ticket/1490620
http://www.debian.org/security/2016/dsa-3541
http://www.securityfocus.com/archive/1/537304/100/0/threaded
https://roundcube.net/news/2015/12/26/updates-1.1.4-and-1.0.8-released/ PatchVendor Advisory
https://security.gentoo.org/glsa/201603-03
https://www.exploit-db.com/exploits/39245/
https://www.htbridge.com/advisory/HTB23283 Exploit

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2015-8770), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.