CVE-2022-3855Public exploitNetwork attack vector

Stored script execution via unescaped plugin settings

Published Jan 9, 2023 · Updated Apr 9, 2025

Stored XSS in 1manfactory 404 to Start 1.6.1 and earlier allows remote authenticated users to execute script via plugin settings. Plugin settings input boxes store attribute-breaking values and render them without sanitization or output escaping. Administrator access is required to save a payload; execution occurs when a user revisits the settings page and points at an injected field.

CVSS severity4.8
Medium
EPSS probability0.53%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in 1manfactory 404 to Start 1.6.1 and earlier allows remote authenticated users to execute script via plugin settings. Plugin settings input boxes store attribute-breaking values and render them without sanitization or output escaping. Administrator access is required to save a payload; execution occurs when a user revisits the settings page and points at an injected field.

The record

CVE
CVE-2022-3855
Published
Jan 9, 2023
Updated
Apr 9, 2025
Vendor
1manfactory
Product
404 to Start
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 9, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 9, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=0 <=1.6.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

1manfactory · 404 to Startversion=0 <=1.6.1

Published CVSS scores

4.8NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.8CISA-ADPCVSS: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Cross-Site Scripting (XSS)
T1059.007JavaScript/JScript

Public exploit references

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

Technologies

Your stack

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Your stack

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