Multiple vulnerabilities in Gila CMS

Published: 2020-05-22 | Updated: 2020-07-17

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-20803 CVE-2019-20804
CWE-ID	CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Gila CMS Web applications / CMS
Vendor	Gila CMS

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU30284

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-2019-20803

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 admin/content/postcategory id parameter, which is mishandled for g_preview_theme. 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

Update to version 1.11.6.

Vulnerable software versions

Gila CMS: 1.11.1 - 1.11.5

External links

http://packetstormsecurity.com/files/158201/GilaCMS-1.11.5-Cross-Site-Request-Forgery-Cross-Site-Scripting.html
http://seclists.org/fulldisclosure/2020/Jun/29
http://github.com/GilaCMS/gila/issues/56

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: #VU30285