Cross-site scripting in Plone

1) Cross-site scripting

EUVDB-ID: #VU44998

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2011-1949

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in the safe_html filter in Products.PortalTransforms in Plone 2.1 through 4.1. A remote authenticated 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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Plone: 2.1 - 4.1

CPE2.3

• cpe:2.3:a:plone:plone:2.1:*:*:*:*:*:*:*
• cpe:2.3:a:plone:plone:2.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:plone:plone:2.1.2:*:*:*:*:*:*:*

External links

https://osvdb.org/72728
https://plone.org/products/plone/security/advisories/CVE-2011-1949
https://secunia.com/advisories/44775
https://secunia.com/advisories/44776
https://securityreason.com/securityalert/8269
https://www.securityfocus.com/archive/1/518155/100/0/threaded
https://www.securityfocus.com/bid/48005
https://exchange.xforce.ibmcloud.com/vulnerabilities/67694

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.