What’s Vulnerable › Vulnerabilities

CVE-2021-42645

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-05-10 · updated 2026-06-17
• Weakness: CWE-434

Description

CMSimple_XH 1.7.4 is affected by a remote code execution (RCE) vulnerability. To exploit this vulnerability, an attacker must use the "File" parameter to upload a PHP payload to get a reverse shell from the vulnerable host.

Affected products

• Cmsimple-Xh CMSimple_XH: 1.7.4

References

• https://github.com/Net-hunter121/CMSimple_XH-Unauth-RCE
• https://github.com/cmsimple-xh/cmsimple-xh/releases/tag/1.7.5
• https://github.com/Net-hunter121/CMSimple_XH-Unauth-RCE
• https://github.com/cmsimple-xh/cmsimple-xh/releases/tag/1.7.5

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