What’s Vulnerable › Vulnerabilities

CVE-2018-18942

• Severity: high (CVSS 7.2 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-11-05 · updated 2026-06-17
• Weakness: CWE-434

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.

Affected products

• baserproject basercms: before 4.1.4 — fixed in 4.1.4

How to fix

Upgrade to a fixed version: baserproject basercms 4.1.4. Check the vendor advisory for mitigations.

References

• http://sunu11.com/2018/10/31/baserCMS/
• https://basercms.net/release/4_1_4
• https://github.com/baserproject/basercms/issues/959
• http://sunu11.com/2018/10/31/baserCMS/
• https://basercms.net/release/4_1_4
• https://github.com/baserproject/basercms/issues/959

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