What’s Vulnerable › Vulnerabilities

CVE-2023-29827

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-05-04 · updated 2026-06-17
• Weakness: CWE-74

Description

ejs v3.1.9 is vulnerable to server-side template injection. If the ejs file is controllable, template injection can be implemented through the configuration settings of the closeDelimiter parameter. NOTE: this is disputed by the vendor because the render function is not intended to be used with untrusted input.

Affected products

• Ejs: from 3.1.9

References

• https://github.com/mde/ejs/blob/main/SECURITY.md#out-of-scope-vulnerabilities
• https://github.com/mde/ejs/issues/720
• https://github.com/mde/ejs/blob/main/SECURITY.md#out-of-scope-vulnerabilities
• https://github.com/mde/ejs/issues/720

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