CVE-2025-62254

CVE-2025-62254 is a high-severity vulnerability in Liferay Digital Experience Platform with a CVSS 3.x base score of 7.5. 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-22.

Key facts

• Severity: High (CVSS 3.x base score 7.5)
• CVSS v4: 6.9
• EPSS exploit prediction: 1% (40th percentile)
• Actively exploited: Not listed in CISA KEV
• EU (EUVD) id: EUVD-2025-35736
• Weakness: CWE-22
• Affected product: Liferay Digital Experience Platform
• Published: 2025-10-23
• Last modified: 2026-06-17

Description

The ComboServlet in Liferay Portal 7.4.0 through 7.4.3.111, and older unsupported versions, and Liferay DXP 2023.Q4.0 through 2023.Q4.2, 2023.Q3.1 through 2023.Q3.5, 7.4 GA through update 92, 7.3 GA through update 35, and older unsupported versions does not limit the number or size of the files it will combine, which allows remote attackers to create very large responses that lead to a denial of service attack via the URL query string.

Frequently asked questions

What is CVE-2025-62254?

The ComboServlet in Liferay Portal 7.4.0 through 7.4.3.111, and older unsupported versions, and Liferay DXP 2023.Q4.0 through 2023.Q4.2, 2023.Q3.1 through 2023.Q3.5, 7.4 GA through update 92, 7.3 GA through update 35, and older unsupported versions does not limit the number or size of the files it will combine, which allows remote attackers to create very large responses that lead to a denial of service attack via the URL query string.

How severe is CVE-2025-62254?

CVE-2025-62254 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-62254 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-62254?

CVE-2025-62254 primarily affects Liferay Digital Experience Platform. In total, 143 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-62254?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-62254 have an EU (EUVD) identifier?

Yes. CVE-2025-62254 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35736.

When was CVE-2025-62254 published?

CVE-2025-62254 was published on 2025-10-23 and last updated on 2026-06-17.

References

• https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/CVE-2025-62254

Affected products (143)

• cpe:2.3:a:liferay:digital_experience_platform:7.3:-:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:fix_pack_1:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:fix_pack_2:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:service_pack_1:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:service_pack_2:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:service_pack_3:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update1:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update10:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update11:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update12:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update13:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update14:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update15:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update16:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update17:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update18:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update19:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update2:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update20:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update21:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update22:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update23:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update24:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update25:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update26:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update27:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update28:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update29:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update3:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update30:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update31:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update32:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update33:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update34:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update35:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update4:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update5:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update6:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update7:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update8:*:*:*:*:*:*

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