What’s Vulnerable › Vulnerabilities

CVE-2021-30209

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-15 · updated 2026-06-17
• Weakness: CWE-434

Description

Textpattern V4.8.4 contains an arbitrary file upload vulnerability where a plug-in can be loaded in the background without any security verification, which may lead to obtaining system permissions.

Affected products

• TextPattern CMS: 4.8.4

References

• https://github.com/textpattern/textpattern/issues/1655
• https://github.com/textpattern/textpattern/issues/1655

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