Medium severity · published Aug 23, 2025
CVE-2025-43764
Self-ReDoS (Regular expression Denial of Service) exists with Role Name search field of Kaleo Designer portlet JavaScript in Liferay Portal 7.4.0 through 7.4.3.131, and Liferay…
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
Self-ReDoS (Regular expression Denial of Service) exists with Role Name search field of Kaleo Designer portlet JavaScript in Liferay Portal 7.4.0 through 7.4.3.131, and Liferay DXP 2024.Q4.0 through 2024.Q4.1, 2024.Q3.0 through 2024.Q3.13, 2024.Q2.1 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.20 and 7.4 GA through update 92, which allows authenticated users with permissions to update Kaleo Workflows to enter a malicious Regex pattern causing their browser to hang for a very long time.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DX
DXP · Liferay
7.4.13 through 7.4.13-u92; 2024.Q1.1 through 2024.Q1.20; 2024.Q2.1 through 2024.Q2.13; 2024.Q3.0 through 2024.Q3.13; 2024.Q4.0 through 2024.Q4.1 · source: vendor
PO
Portal · Liferay
7.4.3.0 through 7.4.3.131 · source: vendor
DE
Digital Experience Platform · Liferay
2024.Q1.1 through 2024.Q1.20; 2024.q2.0 through 2024.q2.13; 2024.q3.1 through 2024.q3.13; 2024.Q4.0 before 2024.Q4.2; 7.4; 7.4; +34 more · source: NVD
LP
Liferay Portal · Liferay
7.4.0 before 7.4.3.132 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-43764
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-43764
Vendor Advisory
https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43764
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