CVE-2018-18942 RCE in baserCMS before 4.1.4
Remote attackers can execute arbitrary PHP code by uploading malicious files via the theme configuration logo parameter in baserCMS.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-18942?
CVE-2018-18942 is a high-severity vulnerability in Basercms Basercms, published on 5 Nov 2018. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
In baserCMS before 4.1.4, lib\Baser\Model\ThemeConfig.php allows remote attackers to execute arbitrary PHP code via the admin/theme_configs/form data[ThemeConfig][logo] parameter.
Weakness: CWE-434
Which versions are affected by CVE-2018-18942?
2 open source packages ship an affected version, including baserproject/basercms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
baserproject/basercms Packagist | All versions | 4.1.4 |
baserproject/basercms Packagist | All versions | 4.1.4 |
Products include Basercms Basercms.
How do I fix CVE-2018-18942?
Upgrade baserproject/basercms to 4.1.4 or later.
Is CVE-2018-18942 being exploited?
There is no known exploitation of CVE-2018-18942 in the wild and no public exploit code.
Other vulnerabilities in Basercms Basercms
- CVE-2023-25654 baserCMS File Uploader Remote Code Execution (RCE) vulnerability
- CVE-2023-25655 baserCMS allows any file to be uploaded
- CVE-2017-10842 baserCMS SQL Injection vulnerability
- CVE-2026-30880 baserCMS: OS command injection vulnerability in installer
- CVE-2026-21861 baserCMS: OS Command Injection Leading to Remote Code Execution (RCE)
Sources
Also known as GHSA-rjc2-x53r-6c9r.