CVE-2020-25476 Liferay Portal Vulnerable to Cross-Site Scripting (XSS) via User Name Parameter
Attackers can inject malicious scripts via profile fields that execute in other users' calendars, potentially leading to privilege escalation if an admin views the calendar.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-25476?
CVE-2020-25476 is a medium-severity cross-site scripting vulnerability in Liferay Liferay Portal, published on 7 Jan 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Liferay CMS Portal version 7.1.3 and 7.2.1 have a blind persistent cross-site scripting (XSS) vulnerability in the user name parameter to Calendar. An attacker can insert the malicious payload on the username, lastname or surname fields of its own profile, and the malicious payload will be injected and reflected in the calendar of the user who submitted the payload. An attacker could escalate its privileges in case an admin visits the calendar that injected the payload.
Weakness: CWE-79
Which versions are affected by CVE-2020-25476?
4 open source packages ship an affected version, including com.liferay.portal:release.portal.bom. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
com.liferay.portal:release.portal.bom Maven | All versions to 7.1.3 | None |
com.liferay.portal:release.portal.bom Maven | All versions to 7.1.3 | None |
com.liferay.portal:release.portal.bom Maven | From 7.2 to 7.2.1 | None |
com.liferay.portal:release.portal.bom Maven | From 7.2 to 7.2.1 | None |
Products include Liferay Liferay Portal.
How do I fix CVE-2020-25476?
No fix has been published for CVE-2020-25476 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-25476 being exploited?
There is no known exploitation of CVE-2020-25476 in the wild and no public exploit code.
Other vulnerabilities in Liferay Liferay Portal
- CVE-2020-7961 Liferay Portal Deserialization of Untrusted Data
- CVE-2021-33990 File upload in n/a
- CVE-2019-16891 Liferay Portal Allows RCE via Deserialization of a JSON Payload
- CVE-2023-47797 Liferay Portal XSS with `p_l_back_url_title` on edit content page
- CVE-2020-13445 Liferay Portal and Liferay DXP Vulnerable to Arbitrary Code Execution
Sources
Also known as GHSA-pvpg-9553-f979.