What’s Vulnerable › Vulnerabilities

CVE-2021-36426

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-02-03 · updated 2026-06-17
• Weakness: CWE-434

Description

File Upload vulnerability in phpwcms 1.9.25 allows remote attackers to run arbitrary code via crafted file upload to include/inc_lib/general.inc.php.

Affected products

• slackero phpwcms: before 1.9.26 — fixed in 1.9.26

How to fix

Upgrade to a fixed version: slackero phpwcms 1.9.26. Check the vendor advisory for mitigations.

References

• https://github.com/slackero/phpwcms/issues/312
• https://github.com/slackero/phpwcms/issues/312

Get alerted when CVE-2021-36426 or the next vulnerability affects your stack