Stored cross-site scripting in MetaSlider plugin for WordPress



Published: 2020-09-17
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID N/A
CWE ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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MetaSlider
Web applications / Modules and components for CMS

Vendor DavidAnderson

Security Advisory

This security advisory describes one low risk vulnerability.

1) Stored cross-site scripting

Risk: Low

CVSSv3: 5.6 [CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: N/A

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 Image caption or description parameter in the slide creation module. A remote authenticated attacker can 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 updates from vendor's website.

Vulnerable software versions

MetaSlider: 1.0, 1.0.1, 1.1, 1.2.1, 1.3, 2.0.2, 2.1.6, 2.2.2, 2.3, 2.4.2, 2.5.1, 2.6.3, 2.7.2, 2.8.1, 2.9.1, 3.0.1, 3.1.1, 3.2.1, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.3.4.1, 3.3.5, 3.3.6, 3.3.7, 3.4, 3.4.1, 3.4.2, 3.4.3, 3.5, 3.5.1, 3.6.0, 3.6.1, 3.6.2, 3.6.3, 3.6.5, 3.6.6, 3.6.7, 3.6.8, 3.7.0, 3.7.1, 3.7.2, 3.8.0, 3.8.1, 3.9.0, 3.9.1, 3.10.0, 3.10.1, 3.10.2, 3.10.3, 3.11.0, 3.11.1, 3.12.1, 3.13.0, 3.13.1, 3.14.0, 3.15.0, 3.15.1, 3.15.2, 3.15.3, 3.16.0, 3.16.1, 3.16.2, 3.16.3, 3.16.4, 3.17.0, 3.17.1

CPE External links

https://wpvulndb.com/vulnerabilities/10408/
https://www.fortiguard.com/zeroday/FG-VD-20-123

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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