Vulnerability CVE-2013-0234
Published: 2014-02-02   Modified: 2014-02-03

Description:
Cross-site scripting (XSS) vulnerability in the Twitter widget in Elgg before 1.7.17 and 1.8.x before 1.8.13 allows remote attackers to inject arbitrary web script or HTML via the params[twitter_username] parameter to action/widgets/save.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Elgg foundation -> ELGG 
ELGG -> ELGG 

 References:
https://github.com/Elgg/Elgg/commit/19dc507c2fccb378be2a44a762edf6c1e7afa334#L0R11
https://github.com/Elgg/Elgg/commit/a74a88501c41e89c8bcd7fc650ae2f8cc0a5003d#L2L21
http://www.securityfocus.com/bid/57569
http://www.openwall.com/lists/oss-security/2013/01/29/4
http://secunia.com/advisories/52007
http://seclists.org/fulldisclosure/2013/Jan/251
http://packetstormsecurity.com/files/119903/Elgg-Twitter-Widget-Cross-Site-Scripting.html
http://blog.elgg.org/pg/blog/cash/read/223/elgg-1813-and-1717
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