CVE-2018-18872 Cross-site scripting in n/a
Stored XSS in the Kieran O'Shea Calendar plugin allows attackers to inject malicious scripts via event titles or category names, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-18872?
CVE-2018-18872 is a medium-severity cross-site scripting vulnerability in n/a, published on 13 May 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Kieran O'Shea Calendar plugin before 1.3.11 for WordPress has Stored XSS via the event_title parameter in a wp-admin/admin.php?page=calendar add action, or the category name during category creation at the wp-admin/admin.php?page=calendar-categories URI.
Weakness: CWE-79
Which versions are affected by CVE-2018-18872?
It affects 1 product.
Products include Kieranoshea Calendar.
How do I fix CVE-2018-18872?
No fix has been published for CVE-2018-18872 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-2018-18872 being exploited?
There is no known exploitation of CVE-2018-18872 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-3g88-qmx9-g9vc.