Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2017-0372 |
CWE-ID | CWE-79 |
Exploitation vector | Network |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
MediaWiki Web applications / CMS |
Vendor | MediaWiki.org |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU7286
Risk: Low
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C]
CVE-ID: CVE-2017-0372
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: Yes
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data within the SyntaxHighlight_GeSHi extension. A remote attacker can create a specially crafted page with XSS exploit, trick the victim to visit it and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
MitigationUpdate to version 1.27.3 or 1.28.2.
Vulnerable software versionsMediaWiki: 1.27.0 - 1.28.1
External linkshttp://www.securify.nl/advisory/SFY20170201/syntaxhighlight_mediawiki_extension_allows_injection_of_arbitrary_pygments_options.html
http://phabricator.wikimedia.org/T158689
http://lists.wikimedia.org/pipermail/mediawiki-announce/2017-April/000207.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.