CVE-2023-4889 Shareaholic <= 9.7.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Authenticated contributors can inject arbitrary scripts via shortcode, leading to code execution when users view the page.
- 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-2023-4889?
CVE-2023-4889 is a medium-severity cross-site scripting vulnerability in Professional Social Sharing Buttons, Icons & Related Posts – Shareaholic, published on 15 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Shareaholic plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'shareaholic' shortcode in versions up to, and including, 9.7.8 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-2023-4889?
It affects 1 product.
Products include Shareaholic Shareaholic.
How do I fix CVE-2023-4889?
No fix has been published for CVE-2023-4889 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-2023-4889 being exploited?
There is no known exploitation of CVE-2023-4889 in the wild and no public exploit code.
Other vulnerabilities in Professional Social Sharing Buttons, Icons & Related Posts – Shareaholic
Sources
Also known as GHSA-rxrf-63h6-9xq3.