CVE-2022-3139Network attack vector

Administrator-level stored XSS via unsanitized settings

Published Oct 17, 2022 · Updated May 14, 2025

Stored XSS in Noah Hearle We’re Open! before 1.42 allows remote authenticated users to inject scripts through plugin settings. The settings input handler stores nested option values without recursively sanitizing them or escaping them before page output. Administrator privileges are required, and the flaw remains reachable when unfiltered_html is disabled, including in multisite installations; injected scripts execute when a user opens an affected page.

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 Noah Hearle We’re Open! before 1.42 allows remote authenticated users to inject scripts through plugin settings. The settings input handler stores nested option values without recursively sanitizing them or escaping them before page output. Administrator privileges are required, and the flaw remains reachable when unfiltered_html is disabled, including in multisite installations; injected scripts execute when a user opens an affected page.

The record

CVE
CVE-2022-3139
Published
Oct 17, 2022
Updated
May 14, 2025
Vendor
Noah Hearle
Product
We’re Open!
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Oct 17, 2022CVE publishedPublication date reported by the CVE source.
  2. May 14, 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=1.42 <1.42

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Noah Hearle · We’re Open!version=1.42 <1.42

Published CVSS scores

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.

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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 exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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