CVE-2021-4405 ElasticPress <= 3.5.3 - Cross-Site Request Forgery Bypass
Unauthenticated attackers can trick administrators into modifying autosuggest settings via forged requests in the ElasticPress WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-4405?
CVE-2021-4405 is a medium-severity vulnerability in 10up ElasticPress, published on 1 Jul 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The ElasticPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.5.3. This is due to missing or incorrect nonce validation on the epio_send_autosuggest_allowed() function. This makes it possible for unauthenticated attackers to send allowed parameters for autosuggest to elasticpress[.]io via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Weakness: CWE-352
Which versions are affected by CVE-2021-4405?
It affects 1 product.
Products include 10up Elasticpress.
How do I fix CVE-2021-4405?
No fix has been published for CVE-2021-4405 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-4405 being exploited?
There is no known exploitation of CVE-2021-4405 in the wild and no public exploit code.
Other vulnerabilities in 10up ElasticPress
Sources
Also known as GHSA-vf57-4qjx-vrj8.