CVE-2022-3070Public exploitNetwork attack vector

Stored XSS via unescaped PDF settings

Published Sep 26, 2022 · Updated May 22, 2025

Stored XSS in ZealousWeb Generate PDF using Contact Form 7 before 3.6 allows remote authenticated users to execute script in admin browsers. The PDF settings interface stores input fields without sanitization and renders the saved values without output escaping. An administrator account must save the payload, and execution occurs when the settings page is loaded by the same or another administrator.

CVSS severity4.8
Medium
EPSS probability0.58%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Stored XSS in ZealousWeb Generate PDF using Contact Form 7 before 3.6 allows remote authenticated users to execute script in admin browsers. The PDF settings interface stores input fields without sanitization and renders the saved values without output escaping. An administrator account must save the payload, and execution occurs when the settings page is loaded by the same or another administrator.

The record

CVE
CVE-2022-3070
Published
Sep 26, 2022
Updated
May 22, 2025
Vendor
ZealousWeb
Product
Generate PDF using Contact Form 7
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Sep 26, 2022CVE publishedPublication date reported by the CVE source.
  2. May 22, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.6 <3.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

ZealousWeb · Generate PDF using Contact Form 7version=3.6 <3.6

Published CVSS scores

4.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
3.4WPScanCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N
4.8NISTCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo