CVE-2023-29827 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ejs	Ejs	>= 3.1.9

Related Weaknesses (CWE)

CWE-74

References

https://github.com/mde/ejs/blob/main/SECURITY.md#out-of-scope-vulnerabilitiesThird Party Advisory
https://github.com/mde/ejs/issues/720ExploitIssue TrackingPatch
https://github.com/mde/ejs/blob/main/SECURITY.md#out-of-scope-vulnerabilitiesThird Party Advisory
https://github.com/mde/ejs/issues/720ExploitIssue TrackingPatch

FAQ

What is CVE-2023-29827?

CVE-2023-29827 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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. N...

How severe is CVE-2023-29827?

CVE-2023-29827 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-29827?

Check the references section above for vendor advisories and patch information. Affected products include: Ejs Ejs.