How severe is CVE-2023-33940?

CVE-2023-33940 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-33940 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33940?

CVE-2023-33940 primarily affects Liferay Digital Experience Platform. In total, 32 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-33940?

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

When was CVE-2023-33940 published?

CVE-2023-33940 was published on 2023-05-24 and last updated on 2026-06-17.

CVE-2023-33940

CVE-2023-33940 is a medium-severity vulnerability in Liferay Digital Experience Platform with a CVSS 3.x base score of 4.8. 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: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Liferay Digital Experience Platform
Published: 2023-05-24
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in IFrame type Remote Apps in Liferay Portal 7.4.0 through 7.4.3.30, and Liferay DXP 7.4 before update 31 allows remote attackers to inject arbitrary web script or HTML via the Remote App's IFrame URL.

Frequently asked questions

What is CVE-2023-33940?: Cross-site scripting (XSS) vulnerability in IFrame type Remote Apps in Liferay Portal 7.4.0 through 7.4.3.30, and Liferay DXP 7.4 before update 31 allows remote attackers to inject arbitrary web script or HTML via the Remote App's IFrame URL.
How severe is CVE-2023-33940?: CVE-2023-33940 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-33940 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33940?: CVE-2023-33940 primarily affects Liferay Digital Experience Platform. In total, 32 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-33940?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-33940 published?: CVE-2023-33940 was published on 2023-05-24 and last updated on 2026-06-17.

References

https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/cve-2023-33940

Affected products (32)

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: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:*:*:*:*:*:*
cpe:2.3:a:liferay:liferay_portal:*:*:*:*:*:*:*:*

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