CVE-2022-3837Public exploitNetwork attack vector

Administrator-level stored XSS via unsanitized settings

Published Dec 5, 2022 · Updated Apr 24, 2025

Stored XSS in WPmanage Uji Countdown before 2.3.1 allows remote authenticated users to execute script through plugin settings. The settings form stores input-box values without sanitization and returns them to the administrative page without output escaping. Administrator-level access is required, and a victim must revisit the settings page and interact with a crafted input for the script to run.

CVSS severity4.8
Medium
EPSS probability0.47%
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 WPmanage Uji Countdown before 2.3.1 allows remote authenticated users to execute script through plugin settings. The settings form stores input-box values without sanitization and returns them to the administrative page without output escaping. Administrator-level access is required, and a victim must revisit the settings page and interact with a crafted input for the script to run.

The record

CVE
CVE-2022-3837
Published
Dec 5, 2022
Updated
Apr 24, 2025
Vendor
WPmanage
Product
Uji Countdown
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 5, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 24, 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 <2.3.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

WPmanage · Uji Countdownversion=0 <2.3.1

Published CVSS scores

4.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.8NVDCVSS: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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

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

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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