Is CVE-2022-28977 actively exploited?

No active exploitation of CVE-2022-28977 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-28977 be exploited remotely?

Yes. CVE-2022-28977 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-28977?

CVE-2022-28977 has a CVSS score of 6.1 (MEDIUM).

HOME VULNERABILITIESCVE-2022-28977

MEDIUM

CVE-2022-28977

CWE-601Published: September 22, 2022· Updated: Jul 9, 2026

6.1

CVSS v3.1

Official Description

HtmlUtil.escapeRedirect in Liferay Portal 7.3.1 through 7.4.2, and Liferay DXP 7.0 fix pack 91 through 101, 7.1 fix pack 17 through 25, 7.2 fix pack 5 through 14, and 7.3 before service pack 3 can be circumvented by using multiple forward slashes, which allows remote attackers to redirect users to arbitrary external URLs via the (1) 'redirect` parameter (2) `FORWARD_URL` parameter, and (3) others parameters that rely on HtmlUtil.escapeRedirect.

NVD Source

Technical Analysis

CVE-2022-28977 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.