CVE-2025-43764

CVE-2025-43764 is a medium-severity vulnerability in Liferay Digital Experience Platform with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1333.

Key facts

• Severity: Medium (CVSS 3.x base score 6.5)
• CVSS v4: 6.9
• EPSS exploit prediction: 0% (21st percentile)
• Actively exploited: Not listed in CISA KEV
• EU (EUVD) id: EUVD-2025-25629
• Weakness: CWE-1333
• Affected product: Liferay Digital Experience Platform
• Published: 2025-08-23
• Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 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.

How severe is CVE-2025-43764?

CVE-2025-43764 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-43764 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43764?

CVE-2025-43764 primarily affects Liferay Digital Experience Platform. In total, 95 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-43764?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-43764 have an EU (EUVD) identifier?

Yes. CVE-2025-43764 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25629.

When was CVE-2025-43764 published?

CVE-2025-43764 was published on 2025-08-23 and last updated on 2026-06-17.

References

• https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43764

Affected products (95)

• cpe:2.3:a:liferay:digital_experience_platform:*:*:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:-:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update1:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update10:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update11:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update12:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update13:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update14:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update15:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update16:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update17:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update18:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update19:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update2:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update20:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update21:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update22:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update23:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update24:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update25:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update26:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update27:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update28:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update29:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update3:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update30:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update31:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update32:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update33:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update34:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update35:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update36:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update37:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update38:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update39:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update4:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update40:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update41:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update42:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update43:*:*:*:*:*:*

More vulnerabilities in Liferay Digital Experience Platform

• CVE-2025-43766 — Critical (CVSS 9.8): The Liferay Portal 7.4.0 through 7.3.3.131, and Liferay DXP 2024.Q4.0, 2024.Q3.1 through 2024.Q3.13, 2024.Q2.0 through…
• CVE-2025-3594 — Critical (CVSS 9.8): Path traversal vulnerability with the downloading and installation of Xuggler in Liferay Portal 7.0.0 through 7.4.3.4,…
• CVE-2024-8980 — Critical (CVSS 9.6): The Script Console in Liferay Portal 7.0.0 through 7.4.3.101, and Liferay DXP 2023.Q3.1 through 2023.Q3.4, 7.4 GA…
• CVE-2024-26269 — Critical (CVSS 9.6): Cross-site scripting (XSS) vulnerability in the Frontend JS module's portlet.js in Liferay Portal 7.2.0 through…
• CVE-2023-42498 — Critical (CVSS 9.6): Reflected cross-site scripting (XSS) vulnerability in the Language Override edit screen in Liferay Portal 7.4.3.8…
• CVE-2023-42496 — Critical (CVSS 9.6): Reflected cross-site scripting (XSS) vulnerability on the add assignees to a role page in Liferay Portal 7.3.3 through…

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Other CWE-1333 vulnerabilities

• CVE-2026-35458 — Critical (CVSS 9.8): Gotenberg is an API for converting document formats. In 8.29.1 and earlier, Gotenberg uses dlclark/regexp2 to compile…
• CVE-2023-29486 — Critical (CVSS 9.8): An issue was discovered in Heimdal Thor agent versions 3.4.2 and before 3.7.0 on Windows, allows attackers to bypass…
• CVE-2026-25547 — Critical (CVSS 9.2): @isaacs/brace-expansion is a hybrid CJS/ESM TypeScript fork of brace-expansion. Prior to version 5.0.1,…
• CVE-2023-29487 — Critical (CVSS 9.1): An issue was discovered in Heimdal Thor agent versions 3.4.2 and before on Windows and 2.6.9 and before on macOS,…
• CVE-2026-47138 — High (CVSS 8.7): Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to…
• CVE-2025-6998 — High (CVSS 8.7): ReDoS in strip_whitespaces() function in cps/string_helper.py in Calibre Web and Autocaliweb allows unauthenticated…

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