CVE-2023-3978
golang.org/x/net/html: Cross site scripting
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 2, 2023
Updated · November 4, 2026
Description
A flaw was found in the Golang HTML package where it is vulnerable to Cross-site scripting caused by the improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially crafted URL to execute a script in a victim's web browser within the security context of the hosting website once the URL is clicked. The flaw allows an attacker to steal the victim's cookie-based authentication credentials.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE-79 · Improper Neutralization of Input During Web Page Generation