Cross-site scripting in My Calendar plugin for WordPress



Published: 2019-05-03 | Updated: 2019-08-30
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-15713
CWE-ID CWE-79
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		My Calendar
Web applications / Modules and components for CMS

Vendor Joe Dolson

Security Bulletin

This security bulletin contains information about 1 vulnerabilities.

Updated: 30.08.2019
Assigned CVE-ID.

1) Cross-site scripting

EUVDB-ID: #VU18392

Risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-15713

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

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via the "rsd" HTTP GET parameter. A remote attacker can trick the victim to follow a specially crafted link 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.

Example: 

	 http://[host]/?rsd=%27%3E%3Csvg%2Fonload%3Dconfirm(%2XSS%2F)%3E

Mitigation

Install updates from vendor's website.

Vulnerable software versions

My Calendar: 3.1.0 - 3.1.9

External links

http://wpvulndb.com/vulnerabilities/9267/


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, proof of concept for this vulnerability is available.



###SIDEBAR###