# CVE-2025-43818: Liferay Portal vulnerable to cross-site scripting in the Calendar widget

Source: https://junglewise.ai/threats/cve-2025-43818-liferay-portal-vulnerable-to-cross-site-scripting-in-the-calendar  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-09-30  
License: CC BY 4.0 with a link back

CVE-2025-43818 · Severity: medium · CVSS 4 · Published 2025-09-30

Liferay Portal vulnerable to cross-site scripting in the Calendar widget

Technologies: [com.liferay:com.liferay.calendar.web (Maven)](https://junglewise.ai/threats/technologies/com-liferay-com-liferay-calendar-web). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2025-43818 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-43818 being exploited in the wild.

**How severe is CVE-2025-43818?** Medium severity, with a CVSS score of 4, published 30 September 2025.

**Which products and versions are affected?** com.liferay:com.liferay.calendar.web (Maven) ECOSYSTEM:introduced=5.0.45,fixed=5.0.87.

**Is there a fix for CVE-2025-43818?** Yes. com.liferay:com.liferay.calendar.web (Maven): upgrade to 5.0.87 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2025-43818?** Check whether you run com.liferay:com.liferay.calendar.web (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- com.liferay:com.liferay.calendar.web (Maven): upgrade to 5.0.87 or later

  ```sh
  # set com.liferay:com.liferay.calendar.web to 5.0.87 in your pom.xml or build.gradle
  ```


## Affected products

- com.liferay:com.liferay.calendar.web (Maven) ECOSYSTEM:introduced=5.0.45,fixed=5.0.87

## Identifiers

- CVE-2025-43818
- GHSA-gj92-p9mh-83j8

## Related threats

- [Liferay Portal is vulnerable to XSS through its Calendar Events parameters](https://junglewise.ai/threats/cve-2025-62240-liferay-portal-is-vulnerable-to-xss-through-its-calendar-events)
- [Liferay Portal vulnerable to cross-site scripting in the Calendar widget](https://junglewise.ai/threats/cve-2025-43820-liferay-portal-vulnerable-to-cross-site-scripting-in-the-calendar)