CVE-2025-43820: XSS

Published Sep 29, 2025
·
Updated

Multiple cross-site scripting (XSS) vulnerabilities in the Calendar widget when inviting users to a event in Liferay Portal 7.4.3.35 through 7.4.3.110, and Liferay DXP 2023.Q4.0 through 2023.Q4.4, 2023.Q3.1 through 2023.Q3.6, 7.4 update 35 through update 92, and 7.3 update 25 through update 35 allow remote attackers to inject arbitrary web script or HTML via a crafted payload injected into a user’s (1) First Name, (2) Middle text, or (3) Last Name text fields.

Affected Software

77 affected componentsFixes available
Liferay portal>=7.4.3.35<=7.4.3.110, >=7.4<=7.4.92, >=7.3.25<=7.3.35
Liferay DXP>=2023.Q4.0<=2023.Q4.4, >=2023.Q3.1<=2023.Q3.6
maven/com.liferay:com.liferay.calendar.web>=5.0.45<5.0.88
5.0.88
maven/com.liferay.portal:release.portal.bom>=7.4.3.35-ga35<=7.4.3.110-ga110
7.4.3.111-ga111
Liferay Digital Experience Platform>=2023.Q3.1<2023.Q3.7
Liferay Digital Experience Platform>=2023.Q4.0<2023.Q4.5
Liferay Digital Experience Platform=7.3-update25
Liferay Digital Experience Platform=7.3-update26
Liferay Digital Experience Platform=7.3-update27
Liferay Digital Experience Platform=7.3-update28
Liferay Digital Experience Platform=7.3-update29
Liferay Digital Experience Platform=7.3-update30
Liferay Digital Experience Platform=7.3-update31
Liferay Digital Experience Platform=7.3-update32
Liferay Digital Experience Platform=7.3-update33
Liferay Digital Experience Platform=7.3-update34
Liferay Digital Experience Platform=7.3-update35
Liferay Digital Experience Platform=7.3-update36
Liferay Digital Experience Platform=7.4-update35
Liferay Digital Experience Platform=7.4-update36
Liferay Digital Experience Platform=7.4-update37
Liferay Digital Experience Platform=7.4-update38
Liferay Digital Experience Platform=7.4-update39
Liferay Digital Experience Platform=7.4-update40
Liferay Digital Experience Platform=7.4-update41
Liferay Digital Experience Platform=7.4-update42
Liferay Digital Experience Platform=7.4-update43
Liferay Digital Experience Platform=7.4-update44
Liferay Digital Experience Platform=7.4-update45
Liferay Digital Experience Platform=7.4-update46
Liferay Digital Experience Platform=7.4-update47
Liferay Digital Experience Platform=7.4-update48
Liferay Digital Experience Platform=7.4-update49
Liferay Digital Experience Platform=7.4-update50
Liferay Digital Experience Platform=7.4-update51
Liferay Digital Experience Platform=7.4-update52
Liferay Digital Experience Platform=7.4-update53
Liferay Digital Experience Platform=7.4-update54
Liferay Digital Experience Platform=7.4-update55
Liferay Digital Experience Platform=7.4-update56
Liferay Digital Experience Platform=7.4-update57
Liferay Digital Experience Platform=7.4-update58
Liferay Digital Experience Platform=7.4-update59
Liferay Digital Experience Platform=7.4-update60
Liferay Digital Experience Platform=7.4-update61
Liferay Digital Experience Platform=7.4-update62
Liferay Digital Experience Platform=7.4-update63
Liferay Digital Experience Platform=7.4-update64
Liferay Digital Experience Platform=7.4-update65
Liferay Digital Experience Platform=7.4-update66
Liferay Digital Experience Platform=7.4-update67
Liferay Digital Experience Platform=7.4-update68
Liferay Digital Experience Platform=7.4-update69
Liferay Digital Experience Platform=7.4-update70
Liferay Digital Experience Platform=7.4-update71
Liferay Digital Experience Platform=7.4-update72
Liferay Digital Experience Platform=7.4-update73
Liferay Digital Experience Platform=7.4-update74
Liferay Digital Experience Platform=7.4-update75
Liferay Digital Experience Platform=7.4-update76
Liferay Digital Experience Platform=7.4-update77
Liferay Digital Experience Platform=7.4-update78
Liferay Digital Experience Platform=7.4-update79
Liferay Digital Experience Platform=7.4-update80
Liferay Digital Experience Platform=7.4-update81
Liferay Digital Experience Platform=7.4-update82
Liferay Digital Experience Platform=7.4-update83
Liferay Digital Experience Platform=7.4-update84
Liferay Digital Experience Platform=7.4-update85
Liferay Digital Experience Platform=7.4-update86
Liferay Digital Experience Platform=7.4-update87
Liferay Digital Experience Platform=7.4-update88
Liferay Digital Experience Platform=7.4-update89
Liferay Digital Experience Platform=7.4-update90
Liferay Digital Experience Platform=7.4-update91
Liferay Digital Experience Platform=7.4-update92
Liferay Liferay Portal>=7.4.3.35<7.4.3.111

Event History

Sep 29, 2025
CVE Published
via MITRE·09:48 PM
Data Sourced
via MITRE·09:48 PM
DescriptionWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:15 PM
Affected Software
Sep 30, 2025
Advisory Published
via GitHub·12:30 AM
Data Sourced
via GitHub·12:30 AM
DescriptionWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-43820?

CVE-2025-43820 has been classified as a high severity vulnerability due to its potential for cross-site scripting attacks.

2

How do I fix CVE-2025-43820?

To mitigate CVE-2025-43820, users should update Liferay Portal to versions 7.4.3.110 or later and Liferay DXP to a secure version as listed in the vendor's advisory.

3

Which versions of Liferay are affected by CVE-2025-43820?

CVE-2025-43820 affects Liferay Portal versions 7.4.3.35 through 7.4.3.110 and Liferay DXP versions 2023.Q4.0 through 2023.Q4.4.

4

What types of attacks can CVE-2025-43820 facilitate?

CVE-2025-43820 can facilitate cross-site scripting (XSS) attacks, enabling attackers to inject malicious scripts into web pages.

5

Is user input a vector for CVE-2025-43820?

Yes, user input in the Calendar widget when inviting users can be exploited due to the vulnerabilities outlined in CVE-2025-43820.

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