Cross-site scripting in Slideshow Gallery for WordPress

1) Cross-site scripting

EUVDB-ID: #VU15397

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-17946

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 id, method, Gallerymessage, Galleryerror, or Galleryupdated parameter. A remote attacker can trick the victim to follow a specially 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

Slideshow Gallery: 1.6 - 1.6.6

External links

http://www.defensecode.com/advisories/DC-2017-01-014_WordPress_Tribulant_Slideshow_Gallery_Plugin_Advisory.pdf
http://wordpress.org/plugins/slideshow-gallery/#developers

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.