CVE-2020-11516 Cross-site scripting in n/a
Authenticated attackers can inject JavaScript into plugin settings, leading to admin session hijacking and privilege escalation when admins interact with the form.
- 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-2020-11516?
CVE-2020-11516 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 Apr 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Stored XSS in the Contact Form 7 Datepicker plugin through 2.6.0 for WordPress allows authenticated attackers with minimal permissions to save arbitrary JavaScript to the plugin's settings via the unprotected wp_ajax_cf7dp_save_settings AJAX action and the ui_theme parameter. If an administrator creates or modifies a contact form, the JavaScript will be executed in their browser, which can then be used to create new administrative users or perform other actions using the administrator's session.
Weakness: CWE-79
Which versions are affected by CVE-2020-11516?
It affects 1 product.
Products include Contact-Form-7-Datepicker Project Contact-Form-7-Datepicker.
How do I fix CVE-2020-11516?
No fix has been published for CVE-2020-11516 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-2020-11516 being exploited?
There is no known exploitation of CVE-2020-11516 in the wild and no public exploit code.
Sources
Also known as GHSA-74vr-xxv2-w25v.