CVE-2023-5660 SendPress Newsletters <= 1.22.3.31 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Authenticated attackers can inject arbitrary web scripts via shortcodes in SendPress Newsletters, executing them on victim pages.
- 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-2023-5660?
CVE-2023-5660 is a medium-severity cross-site scripting vulnerability in brewlabs SendPress Newsletters, published on 7 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The SendPress Newsletters plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 1.22.3.31 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions 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-2023-5660?
It affects 1 product.
Products include Pressified Sendpress.
How do I fix CVE-2023-5660?
No fix has been published for CVE-2023-5660 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-2023-5660 being exploited?
There is no known exploitation of CVE-2023-5660 in the wild and no public exploit code.
Other vulnerabilities in brewlabs SendPress Newsletters
- CVE-2015-9448 SQL injection in n/a
- CVE-2023-47517 WordPress SendPress Newsletters Plugin <= 1.23.11.6 is vulnerable to Cross Site Scripting (XSS)
- CVE-2024-1588 SendPress Newsletters <= 1.23.11.6 - Admin+ Stored XSS via Settings
- CVE-2024-1589 SendPress Newsletters <= 1.23.11.6 - Admin+ Stored XSS via Form Settings
- CVE-2023-41729 WordPress SendPress Newsletters Plugin <= 1.22.3.31 is vulnerable to Cross Site Scripting (XSS)
Sources
Also known as GHSA-558c-wr25-5fxf.