CVE-2019-19329 Cross-site scripting in n/a
Arbitrary JavaScript execution occurs when displaying mathematical expressions in the Wikidata Query Service GUI, allowing attackers to inject malicious scripts.
- 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-2019-19329?
CVE-2019-19329 is a medium-severity cross-site scripting vulnerability in n/a, published on 27 Nov 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
In Wikibase Wikidata Query Service GUI before 0.3.6-SNAPSHOT 2019-11-07, when mathematical expressions in results are displayed directly, arbitrary JavaScript execution can occur, aka XSS. This was addressed by introducing MathJax as a new mathematics rendering engine. NOTE: this GUI code is no longer bundled with the Wikibase Wikidata Query Service snapshots, such as 0.3.6-SNAPSHOT.
Weakness: CWE-79
Which versions are affected by CVE-2019-19329?
It affects 1 product.
Products include Wikimedia Wikidata Query Gui.
How do I fix CVE-2019-19329?
No fix has been published for CVE-2019-19329 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-2019-19329 being exploited?
There is no known exploitation of CVE-2019-19329 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-h3jq-gxm5-vhxg.