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Liferay Portal and Liferay DXP's HtmlUtil.escapeRedirect Can Be Circumvented via Replacement Character

Moderate severity GitHub Reviewed Published Feb 20, 2024 to the GitHub Advisory Database • Updated Mar 15, 2026

Package

maven com.liferay.portal:release.dxp.bom (Maven)

Affected versions

< 7.2.10.fp19
>= 7.3.0, < 7.3.10.u4
>= 7.4.0, < 7.4.13.u19

Patched versions

7.2.10.fp19
7.3.10.u4
7.4.13.u19
maven com.liferay.portal:release.portal.bom (Maven)
>= 7.2.0, < 7.4.3.19-ga19
7.4.3.19-ga19

Description

HtmlUtil.escapeRedirect in Liferay Portal 7.2.0 through 7.4.3.18, and older unsupported versions, and Liferay DXP 7.4 before update 19, 7.3 before update 4, 7.2 before fix pack 19, and older unsupported versions can be circumvented by using the 'REPLACEMENT CHARACTER' (U+FFFD), which allows remote attackers to redirect users to arbitrary external URLs via the (1) 'redirectparameter (2)FORWARD_URLparameter, (3)noSuchEntryRedirect` parameter, and (4) others parameters that rely on HtmlUtil.escapeRedirect.

References

Published by the National Vulnerability Database Feb 20, 2024
Published to the GitHub Advisory Database Feb 20, 2024
Reviewed Jul 29, 2025
Last updated Mar 15, 2026

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(95th percentile)

Weaknesses

URL Redirection to Untrusted Site ('Open Redirect')

The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect. Learn more on MITRE.

CVE ID

CVE-2024-25608

GHSA ID

GHSA-548x-j6x6-hcv4

Source code

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