Vulnerability Details : CVE-2017-6820
rcube_utils.php in Roundcube before 1.1.8 and 1.2.x before 1.2.4 is susceptible to a cross-site scripting vulnerability via a crafted Cascading Style Sheets (CSS) token sequence within an SVG element.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2017-6820
- cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
- cpe:2.3:a:roundcube:webmail:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:roundcube:webmail:1.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:roundcube:webmail:1.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:roundcube:webmail:1.2.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-6820
0.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-6820
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
6.1
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2017-6820
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-6820
-
https://github.com/roundcube/roundcubemail/commit/cbd35626f7db7855f3b5e2db00d28ecc1554e9f4
Better fix for XSS in style tags (fa2824fdc) · roundcube/roundcubemail@cbd3562 · GitHubIssue Tracking;Patch;Third Party Advisory
-
https://roundcube.net/news/2017/03/10/updates-1.2.4-and-1.1.8-released
Updates 1.2.4 and 1.1.8 releasedRelease Notes;Vendor Advisory
-
https://github.com/roundcube/roundcubemail/commit/fa2824fdcd44af3f970b2797feb47652482c8305
Fix XSS issue in handling of a style tag inside of an svg element · roundcube/roundcubemail@fa2824f · GitHubIssue Tracking;Patch;Third Party Advisory
-
https://github.com/roundcube/roundcubemail/releases/tag/1.2.4
Release Roundcube Webmail 1.2.4 · roundcube/roundcubemail · GitHubPatch;Release Notes;Third Party Advisory
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http://www.securityfocus.com/bid/96817
Roundcube CVE-2017-6820 Cross Site Scripting Vulnerability
-
https://github.com/roundcube/roundcubemail/wiki/Changelog#release-124
Changelog · roundcube/roundcubemail Wiki · GitHubPatch;Release Notes;Third Party Advisory
-
https://github.com/roundcube/roundcubemail/releases/tag/1.1.8
Release Roundcube Webmail 1.1.8 · roundcube/roundcubemail · GitHubPatch;Release Notes;Third Party Advisory
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