CVE-2026-13362 Cross-site scripting in SendPulse Email Marketing Newsletter
Authenticated attackers can inject arbitrary scripts via post meta, leading to code execution in victim browsers, including administrators.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-13362?
CVE-2026-13362 is a medium-severity cross-site scripting vulnerability in SendPulse Email Marketing Newsletter, published on 1 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The SendPulse Email Marketing Newsletter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via _sp_form_code Post Meta in all versions up to, and including, 2.2.5 due to insufficient input sanitization and output escaping. 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. Exploitation requires the attacker to create a sendpulse_form post containing a benign SendPulse loader script tag alongside arbitrary HTML (e.g., an img onerror payload), which bypasses the allow-list check and executes in the browser of any user — including administrators — who previews or views a page rendering the [sendpulse-form] shortcode.
Weakness: CWE-79
Which versions are affected by CVE-2026-13362?
How do I fix CVE-2026-13362?
No fix has been published for CVE-2026-13362 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-2026-13362 being exploited?
There is no known exploitation of CVE-2026-13362 in the wild and no public exploit code.
Sources
Also known as GHSA-5jrx-957p-3f93.