CVE-2015-8770
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 22.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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
- 7.5 HIGHCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 22.43% probability · 98th percentile
- Public exploits
- 1 in Exploit-DB · first 15 January 2016
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- roundcube/roundcube webmail
- Source
- cve@mitre.org
EPSS moved from 26.2% on 21 September 2026 to 22.4% on 4 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- 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.htmlExploit
- 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/Patch, Vendor Advisory
- https://security.gentoo.org/glsa/201603-03
- https://www.exploit-db.com/exploits/39245/
- https://www.htbridge.com/advisory/HTB23283Exploit
- 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.htmlExploit
- 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/Patch, Vendor Advisory
- https://security.gentoo.org/glsa/201603-03
- https://www.exploit-db.com/exploits/39245/
- https://www.htbridge.com/advisory/HTB23283Exploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.