How severe is CVE-2021-33336?

CVE-2021-33336 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-33336 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33336?

CVE-2021-33336 primarily affects Liferay Digital Experience Platform. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-33336?

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

When was CVE-2021-33336 published?

CVE-2021-33336 was published on 2021-08-04 and last updated on 2026-06-17.

CVE-2021-33336

CVE-2021-33336 is a medium-severity vulnerability in Liferay Digital Experience Platform with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Liferay Digital Experience Platform
Published: 2021-08-04
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in the Journal module's add article menu in Liferay Portal 7.3.0 through 7.3.3, and Liferay DXP 7.1 fix pack 18, and 7.2 fix pack 5 through 7, allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_journal_web_portlet_JournalPortlet_name parameter.

Frequently asked questions

What is CVE-2021-33336?: Cross-site scripting (XSS) vulnerability in the Journal module's add article menu in Liferay Portal 7.3.0 through 7.3.3, and Liferay DXP 7.1 fix pack 18, and 7.2 fix pack 5 through 7, allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_journal_web_portlet_JournalPortlet_name parameter.
How severe is CVE-2021-33336?: CVE-2021-33336 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-33336 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33336?: CVE-2021-33336 primarily affects Liferay Digital Experience Platform. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-33336?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33336 published?: CVE-2021-33336 was published on 2021-08-04 and last updated on 2026-06-17.

References

Affected products (22)

cpe:2.3:a:liferay:digital_experience_platform:7.1:-:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_1:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_10:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_11:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_12:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_13:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_14:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_15:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_16:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_17:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_2:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_3:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_4:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_5:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_6:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_7:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_8:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.1:fix_pack_9:*:*:*:*:*:*
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:liferay_portal:*:*:*:*:*:*:*:*

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