Cross-site scripting in Plone - CVE-2016-7138
Published: March 7, 2017 / Updated: August 19, 2020
Vulnerability identifier: #VU39561
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2016-7138
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Plone
Affected software:
Plone
Plone
Detailed vulnerability description
Vulnerability allows a remote attacker to perform XSS attacks.
The vulnerability is caused by an input validation error in the URL checking infrastructure in Plone CMS 5.x through 5.0.6, 4.x through 4.3.11, and 3.3.x through 3.3.6. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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.
How to mitigate CVE-2016-7138
Install update from vendor's website.
Sources
- http://packetstormsecurity.com/files/139110/Plone-CMS-4.3.11-5.0.6-XSS-Traversal-Open-Redirection.html
- http://seclists.org/fulldisclosure/2016/Oct/80
- http://www.openwall.com/lists/oss-security/2016/09/05/4
- http://www.openwall.com/lists/oss-security/2016/09/05/5
- http://www.securityfocus.com/archive/1/539572/100/0/threaded
- http://www.securityfocus.com/bid/92752
- https://plone.org/security/hotfix/20160830/non-persistent-xss-in-plone-1