CVE-2025-43739

CVE-2025-43739 is a medium-severity vulnerability in Liferay Digital Experience Platform with a CVSS 3.x base score of 4.3. 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-203.

Key facts

• Severity: Medium (CVSS 3.x base score 4.3)
• CVSS v4: 5.3
• EPSS exploit prediction: 0% (17th percentile)
• Actively exploited: Not listed in CISA KEV
• EU (EUVD) id: EUVD-2025-25166
• Weakness: CWE-203
• Affected product: Liferay Digital Experience Platform
• Published: 2025-08-19
• Last modified: 2026-06-17

Description

Liferay Portal 7.4.0 through 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.6, 2024.Q4.0 through 2024.Q4.7, 2024.Q3.1 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.16 and 7.4 GA through update 92 allow any authenticated user to modify the content of emails sent through the calendar portlet, allowing an attacker to send phishing emails to any other user in the same organization.

Frequently asked questions

What is CVE-2025-43739?

Liferay Portal 7.4.0 through 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.6, 2024.Q4.0 through 2024.Q4.7, 2024.Q3.1 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.16 and 7.4 GA through update 92 allow any authenticated user to modify the content of emails sent through the calendar portlet, allowing an attacker to send phishing emails to any other user in the same organization.

How severe is CVE-2025-43739?

CVE-2025-43739 has a CVSS 3.x base score of 4.3, 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 low, and availability none.

Is CVE-2025-43739 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43739?

CVE-2025-43739 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-2025-43739?

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

Does CVE-2025-43739 have an EU (EUVD) identifier?

Yes. CVE-2025-43739 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25166.

When was CVE-2025-43739 published?

CVE-2025-43739 was published on 2025-08-19 and last updated on 2026-06-17.

References

• https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-43739

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…

All CVEs affecting Liferay Digital Experience Platform →

Other CWE-203 (Observable Discrepancy) vulnerabilities

• CVE-2019-25337 — Critical (CVSS 9.8): OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by…
• CVE-2026-23519 — Critical (CVSS 9.8): RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in…
• CVE-2025-27667 — Critical (CVSS 9.8): Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows Administrative…
• CVE-2024-25714 — Critical (CVSS 9.8): In Rhonabwy through 1.1.13, HMAC signature verification uses a strcmp function that is vulnerable to side-channel…
• CVE-2024-25191 — Critical (CVSS 9.8): php-jwt 1.0.0 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass…
• CVE-2024-25190 — Critical (CVSS 9.8): l8w8jwt 2.2.1 uses memcmp (which is not constant time) to verify authentication, which makes it easier to bypass…

Browse all CWE-203 (Observable Discrepancy) vulnerabilities →