CVE-2024-8628 Cross-site scripting in MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc.
Authenticated contributors can inject arbitrary scripts via the post-meta shortcode, leading to stored XSS execution on victim pages.
- 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-2024-8628?
CVE-2024-8628 is a medium-severity cross-site scripting vulnerability in properfraction MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc., published on 24 Sep 2024. 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 Popup, Optin Form & Email Newsletters for Mailchimp, HubSpot, AWeber – MailOptin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'post-meta' shortcode in all versions up to, and including, 1.2.70.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Weakness: CWE-79
Which versions are affected by CVE-2024-8628?
It affects 1 product.
Products include Mailoptin Mailoptin.
How do I fix CVE-2024-8628?
No fix has been published for CVE-2024-8628 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-2024-8628 being exploited?
There is no known exploitation of CVE-2024-8628 in the wild and no public exploit code.
Other vulnerabilities in properfraction MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc.
Sources
Also known as GHSA-6hq6-qvm8-gxm2.