Multiple vulnerabilities in Yunucms

Published: 2019-01-04 | Updated: 2020-08-08

Risk	Low
Patch available	NO
Number of vulnerabilities	2
CVE-ID	CVE-2019-5311 CVE-2019-5310
CWE-ID	CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Yunucms Web applications / CMS
Vendor	Yunucms

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU36248

Risk: Low

CVSSv4.0: 1.2 [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-2019-5311

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

Exploit availability: No

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied data when processing data passed via the index.php/index/show/index cw 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.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Yunucms: 1.1.8

CPE2.3

cpe:2.3:a:yunucms:yunucms:1.1.8:*:*:*:*:*:*:*

External links

https://github.com/doublefast/yunucms/issues/5

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.

2) Cross-site scripting

EUVDB-ID: #VU36250