How severe is CVE-2021-29045?

CVE-2021-29045 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-29045 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29045?

CVE-2021-29045 primarily affects Liferay Dxp. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-29045?

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

When was CVE-2021-29045 published?

CVE-2021-29045 was published on 2021-05-17 and last updated on 2026-07-05.

CVE-2021-29045

CVE-2021-29045 is a medium-severity vulnerability in Liferay Dxp with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Liferay Dxp
Published: 2021-05-17
Last modified: 2026-07-05

Description

Cross-site scripting (XSS) vulnerability in the Redirect module's redirection administration page in Liferay Portal 7.3.2 through 7.3.5, and Liferay DXP 7.3 before fix pack 1 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_redirect_web_internal_portlet_RedirectPortlet_destinationURL parameter.

Frequently asked questions

What is CVE-2021-29045?: Cross-site scripting (XSS) vulnerability in the Redirect module's redirection administration page in Liferay Portal 7.3.2 through 7.3.5, and Liferay DXP 7.3 before fix pack 1 allows remote attackers to inject arbitrary web script or HTML via the _com_liferay_redirect_web_internal_portlet_RedirectPortlet_destinationURL parameter.
How severe is CVE-2021-29045?: CVE-2021-29045 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-29045 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29045?: CVE-2021-29045 primarily affects Liferay Dxp. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-29045?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-29045 published?: CVE-2021-29045 was published on 2021-05-17 and last updated on 2026-07-05.

References

Affected products (2)

cpe:2.3:a:liferay:dxp:7.3:-:*:*:*:*:*:*
cpe:2.3:a:liferay:liferay_portal:*:*:*:*:*:*:*:*

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