CVE-2023-42496

CVE-2023-42496 is a critical-severity vulnerability in Liferay Liferay Portal with a CVSS 3.x base score of 9.6. 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-79.

Key facts

• Severity: Critical (CVSS 3.x base score 9.6)
• EPSS exploit prediction: 1% (45th percentile)
• Actively exploited: Not listed in CISA KEV
• EU (EUVD) id: EUVD-2024-0515
• Weakness: CWE-79
• Affected product: Liferay Liferay Portal
• Published: 2024-02-21
• Last modified: 2026-06-17

Description

Reflected cross-site scripting (XSS) vulnerability on the add assignees to a role page in Liferay Portal 7.3.3 through 7.4.3.97, and Liferay DXP 2023.Q3 before patch 6, 7.4 GA through update 92, and 7.3 before update 34 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_roles_admin_web_portlet_RolesAdminPortlet_tabs2 parameter.

Frequently asked questions

What is CVE-2023-42496?

Reflected cross-site scripting (XSS) vulnerability on the add assignees to a role page in Liferay Portal 7.3.3 through 7.4.3.97, and Liferay DXP 2023.Q3 before patch 6, 7.4 GA through update 92, and 7.3 before update 34 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_roles_admin_web_portlet_RolesAdminPortlet_tabs2 parameter.

How severe is CVE-2023-42496?

CVE-2023-42496 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-42496 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42496?

CVE-2023-42496 primarily affects Liferay Liferay Portal. In total, 129 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-42496?

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

Does CVE-2023-42496 have an EU (EUVD) identifier?

Yes. CVE-2023-42496 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0515.

When was CVE-2023-42496 published?

CVE-2023-42496 was published on 2024-02-21 and last updated on 2026-06-17.

References

• https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/cve-2023-42496

Affected products (129)

• cpe:2.3:a:liferay:liferay_portal:*:*:*:*:*:*:*:*
• 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_3:*:*:*:*:*:*
• 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: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: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: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:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.3:update9:*:*:*:*:*:*
• 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:*:*:*:*:*:*

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