CVE-2021-36739 XSS vulnerability in the MVCBean JSP portlet maven archetype
Cross-site scripting in Apache Pluto MVCBean JSP portlet archetype allows attackers to inject malicious scripts via name fields.
- 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
- Available
What is CVE-2021-36739?
CVE-2021-36739 is a medium-severity cross-site scripting vulnerability in Apache Portals, published on 6 Jan 2022. 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
The "first name" and "last name" fields of the Apache Pluto 3.1.0 MVCBean JSP portlet maven archetype are vulnerable to Cross-Site Scripting (XSS) attacks.
Weakness: CWE-79
Which versions are affected by CVE-2021-36739?
2 open source packages ship an affected version, including org.apache.portals.pluto:pluto-portal. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.portals.pluto:pluto-portal Maven | All versions | 3.1.1 |
org.apache.portals.pluto:pluto-portal Maven | All versions | 3.1.1 |
Products include Apache Pluto.
How do I fix CVE-2021-36739?
Upgrade org.apache.portals.pluto:pluto-portal to 3.1.1 or later.
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-2021-36739 being exploited?
There is no known exploitation of CVE-2021-36739 in the wild and no public exploit code.
Other vulnerabilities in Apache Portals
- CVE-2018-1306 Exposure of Sensitive Information in Apache Pluto
- CVE-2021-36737 XSS in V3 Demo Portlet
- CVE-2021-36738 XSS vulnerability in the JSP version of the Apache Pluto Applicant MVCBean CDI portlet
- CVE-2019-0186 Cross-site Scripting in Apache Pluto Chatroom demo
- CVE-2020-15250 Information disclosure in JUnit4
Sources
Also known as GHSA-3qp6-m7hp-jrwf.