Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU45742
Risk: Low
CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]
CVE-ID: CVE-2020-12648
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionVulnerability allows a remote attacker to perform Cross-site scripting attacks.
An input validation error exists in TinyMCE when configured in classic editing mode. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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.
MitigationInstall update from vendor's website.
Vulnerable software versionstinymce: 4.9.0 - 5.4.0
CPE2.3 External linkshttp://labs.bishopfox.com/advisories/tinymce-version-5.2.1
http://github.com/tinymce/tinymce/security/advisories/GHSA-vrv8-v4w8-f95h
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.