#VU87824 Cross-site scripting in tinymce
Vulnerability identifier: #VU87824
Vulnerability risk: Low
CVSSv4.0: 1.2 [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: N/A
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
tinymce
Web applications /
JS libraries
Vendor: tinymce
Description
The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data when working with SVG images. A remote user can load a specially crafted SVG image through Object or Embed elements and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
tinymce: 2.0.7, 2.0.9, 2.1.1, 2.1.2, 3.0 rc1 - 3.5.12, 4.0b1 - 4.9.11, 5.0.0 - 5.10.9, 6.0.0 - 6.8.3
External links
https://github.com/tinymce/tinymce/security/advisories/GHSA-5359-pvf2-pw78
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.
