CVE-2024-26266

CVE-2024-26266 is a critical-severity vulnerability in Liferay Liferay Portal with a CVSS 3.x base score of 9.0. 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 9.0)
• EPSS exploit prediction: 1% (42nd percentile)
• Actively exploited: Not listed in CISA KEV
• EU (EUVD) id: EUVD-2024-0723
• Weakness: CWE-79
• Affected product: Liferay Liferay Portal
• Published: 2024-02-21
• Last modified: 2026-06-17

Description

Multiple stored cross-site scripting (XSS) vulnerabilities in Liferay Portal 7.2.0 through 7.4.3.13, and older unsupported versions, and Liferay DXP 7.4 before update 10, 7.3 before update 4, 7.2 before fix pack 17, and older unsupported versions allow remote authenticated users to inject arbitrary web script or HTML via a crafted payload injected into the first/middle/last name text field of the user who creates an entry in the (1) Announcement widget, or (2) Alerts widget.

Frequently asked questions

What is CVE-2024-26266?

Multiple stored cross-site scripting (XSS) vulnerabilities in Liferay Portal 7.2.0 through 7.4.3.13, and older unsupported versions, and Liferay DXP 7.4 before update 10, 7.3 before update 4, 7.2 before fix pack 17, and older unsupported versions allow remote authenticated users to inject arbitrary web script or HTML via a crafted payload injected into the first/middle/last name text field of the user who creates an entry in the (1) Announcement widget, or (2) Alerts widget.

How severe is CVE-2024-26266?

CVE-2024-26266 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-26266 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-26266?

CVE-2024-26266 primarily affects Liferay Liferay Portal. In total, 39 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-26266?

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-2024-26266 have an EU (EUVD) identifier?

Yes. CVE-2024-26266 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0723.

When was CVE-2024-26266 published?

CVE-2024-26266 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-2024-26266

Affected products (39)

• cpe:2.3:a:liferay:liferay_portal:*:*:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:*:*:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:-:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_1:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_10:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_11:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_12:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_13:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_14:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_15:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_16:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_2:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_3:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_4:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_5:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_6:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_7:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_8:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_9:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:service_pack_1:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:service_pack_2:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:service_pack_3:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:service_pack_4:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.2:service_pack_5:*:*:*:*:*:*
• 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:7.4:-:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update1:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update2:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update3:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update4:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update5:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update6:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update7:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update8:*:*:*:*:*:*
• cpe:2.3:a:liferay:digital_experience_platform:7.4:update9:*:*:*:*:*:*

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