Is CVE-2022-29078 actively exploited?

Yes. Previdian tracks CVE-2022-29078 as a known exploited vulnerability. Confidence is high.

What exploitation activity has Previdian observed?

Previdian has not yet recorded sensor-observed exploitation attempts for CVE-2022-29078. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

Version-level data is not available; Previdian tracks Mde ejs.

No. CVE-2022-29078 is not currently listed in CISA KEV.

CVE-2022-29078 Exploited in the Wild — ejs

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2022-29078 is an unauthenticated vulnerability affecting Mde ejs. The ejs (aka Embedded JavaScript templates) package 3.1.6 for Node.js allows server-side template injection in settings[view...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is high. Also confirmed by third-party sources.

Who is affected?

Mde / ejs.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

ejs

The ejs (aka Embedded JavaScript templates) package 3.1.6 for Node.js allows server-side template injection in settings[view options][outputFunctionName].

This is parsed as an internal option, and overwrites the outputFunctionName option with an arbitrary OS command (which is executed upon template compilation).

Published: 25 Apr 2022
Exploitation Reported: 06 Jun 2026
Attack vector: Remote
Complexity: Low
Privileges: None
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2022-29078
GitHub — mde/ejs github.com · CVE Record https://github.com/mde/ejs/releases
eslam.io/posts/ejs-server-side-template-injection-rce eslam.io · CVE Record https://eslam.io/posts/ejs-server-side-template-injection-rce/
security.netapp.com/advisory/ntap-20220804-0001 security.netapp.com · CVE Record https://security.netapp.com/advisory/ntap-20220804-0001/

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

The Shadowserver

Recorded 06 Jun 2026

A trusted third party reported exploitation.

Proof of concept available

GitHub

Recorded 20 Jul 2022

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

Learn about Pro API access

Source	Added
The Shadowserver First	2026-06-06 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts: 0; 0; 0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Scanner coverage

Nuclei template detected 25 Apr 2025.

View Nuclei template

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner	Reference	Detected
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-29078.yaml	25 Apr 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.8 Critical

Potential damage if exploited. Separate from whether attackers are using it.

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

EPSS

32.8%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Improper Control of Generation of Code ('Code Injection') CWE-94

All CVSS Scores

CVSS v3.1 9.8 Critical

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

CVSS v2.0 7.5 High

AV:N/AC:L/Au:N/C:P/I:P/A:P

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

Node.js Embedded JavaScript 3.1.6 - Template Injection

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation

12 Jun 2026
14:20 UTC

Public PoC available

Public proof-of-concept code published
06 Jun 2026
00:00 UTC

Added to Previdian KEV Feed

High-confidence, third-party attested exploitation
25 Apr 2025
00:00 UTC

Nuclei template available

Scanner coverage available
25 Apr 2022
14:13 UTC

CVE published

Vulnerability disclosed publicly
12 Apr 2022
00:00 UTC

CVE ID reserved

Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

Start 14-day Pro trial Read API docs

Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2022-29078

Sample API response

{
  "cve_id": "CVE-2022-29078",
  "confidence": "High",
  "cvss_score": 9.8,
  "cvss_estimated": false,
  "epss_score": 0.32808,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

CVE-2022-29078

ejs

Tags