CVE-2018-20242 Cross-site Scripting in jspwiki-war
Attackers can execute arbitrary scripts via crafted URLs in Apache JSPWiki, potentially hijacking user sessions.
- 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-2018-20242?
CVE-2018-20242 is a medium-severity cross-site scripting vulnerability in Apache JSPWiki, published on 11 Feb 2019. 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
A carefully crafted URL could trigger an XSS vulnerability on Apache JSPWiki, from versions up to 2.10.5, which could lead to session hijacking.
Weakness: CWE-79
Which versions are affected by CVE-2018-20242?
2 open source packages ship an affected version, including org.apache.jspwiki:jspwiki-war. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.jspwiki:jspwiki-war Maven | All versions | 2.11.0.M1 |
org.apache.jspwiki:jspwiki-war Maven | All versions | 2.11.0.M1 |
Products include Apache Jspwiki.
How do I fix CVE-2018-20242?
Upgrade org.apache.jspwiki:jspwiki-war to 2.11.0.M1 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-2018-20242 being exploited?
There is no known exploitation of CVE-2018-20242 in the wild and no public exploit code.
Other vulnerabilities in Apache JSPWiki
- CVE-2026-28812 Apache JSPWiki: UserManager does not sanity-check user database at startup
- CVE-2021-44140 Arbitrary file deletion on logout
- CVE-2026-28813 Apache JSPWiki: JSPWiki vulnerable to JSON hijacking
- CVE-2022-34158 User Group Privilege Escalation
- CVE-2022-24947 Apache JSPWiki CSRF Account Takeover
Sources
Also known as GHSA-5q75-cxcq-wr26.