CVE-2022-4347Public exploitNetwork attack vector

Browser script execution via user argument

Published Dec 8, 2022 · Updated Apr 15, 2025

Cross-site scripting in WebUtils.java in Xiandafu Beetl-BBS allows remote authenticated users to execute script through the user argument. Public records do not identify the affected WebUtils.java routine or explain how the argument reaches an HTML response without neutralization. Exploitation requires low-privileged access and a victim to load the affected page, enabling script execution in that user's browser context.

CVSS severity5.4
Medium
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in WebUtils.java in Xiandafu Beetl-BBS allows remote authenticated users to execute script through the user argument. Public records do not identify the affected WebUtils.java routine or explain how the argument reaches an HTML response without neutralization. Exploitation requires low-privileged access and a victim to load the affected page, enabling script execution in that user's browser context.

The record

CVE
CVE-2022-4347
Published
Dec 8, 2022
Updated
Apr 15, 2025
Vendor
Xiandafu
Product
Beetl-BBS
Classifications
CWE-707, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 8, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 15, 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=n/a

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Xiandafu · Beetl-BBSversion=n/a

Published CVSS scores

3.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-707Improper Neutralization
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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