Stored cross-site scripting in Otter Blocks plugin for WordPress

1) Stored cross-site scripting

EUVDB-ID: #VU99590

Risk: Low

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

CVE-ID: CVE-2024-10367

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 within REST API SVG File uploads. A remote user 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

Gutenberg Blocks and Template Library by Otter: 3.0.0 - 3.0.4

CPE2.3

• cpe:2.3:a:themeisle:otter-blocks:3.0.0:*:*:*:*:wordpress:*:*
• cpe:2.3:a:themeisle:otter-blocks:3.0.1:*:*:*:*:wordpress:*:*
• cpe:2.3:a:themeisle:otter-blocks:3.0.2:*:*:*:*:wordpress:*:*

External links

http://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/otter-blocks/otter-blocks-gutenberg-blocks-page-builder-for-gutenberg-editor-fse-304-authenticated-author-stored-cross-site-scripting-via-svg-file-upload

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.