CVE-2023-2836 CRM Perks Forms <= 1.1.1 - Authenticated (Admin+) Stored Cross-Site Scripting
Administrators can inject arbitrary scripts into form settings, executing them for other users in multi-site or restricted HTML environments.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-2836?
CVE-2023-2836 is a medium-severity cross-site scripting vulnerability in crmperks CRM Perks Forms – WordPress Form Builder, published on 31 May 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The CRM Perks Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via form settings in versions up to, and including, 1.1.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Weakness: CWE-79
Which versions are affected by CVE-2023-2836?
It affects 1 product.
Products include Crmperks Crm Perks Forms.
How do I fix CVE-2023-2836?
No fix has been published for CVE-2023-2836 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-2023-2836 being exploited?
There is no known exploitation of CVE-2023-2836 in the wild and no public exploit code.
Other vulnerabilities in crmperks CRM Perks Forms – WordPress Form Builder
- CVE-2024-30498 WordPress CRM Perks Forms plugin <= 1.1.4 - Unauthenticated SQL Injection vulnerability
- CVE-2024-30499 WordPress CRM Perks Forms plugin <= 1.1.4 - SQL Injection vulnerability
- CVE-2024-7484 CRM Perks Forms <= 1.1.3 - Authenticated (Administrator+) Arbitrary File Upload
- CVE-2024-30446 WordPress CRM Perks Forms plugin <= 1.1.4 - Cross Site Scripting (XSS) vulnerability
- CVE-2022-38467 WordPress CRM Perks Forms Plugin <= 1.1.0 is vulnerable to Reflected Cross Site Scripting (XSS) vulnerability
Sources
Also known as GHSA-w5rr-mc9h-5xqw.