Stored XSS in ZrLog



| Updated: 2019-09-21
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-17079
CWE-ID CWE-79
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 ZrLog
Web applications / CMS

Vendor ZrLog

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Stored cross-site scripting

EUVDB-ID: #VU21244

Risk: Medium

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Green]

CVE-ID: CVE-2018-17079

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 in the nickname field of the comment area. A remote attacker can permanently inject 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

Install update from vendor's website.

Vulnerable software versions

ZrLog: 2.0.1

CPE2.3 External links

https://github.com/94fzb/zrlog/issues/38


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.



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