CVE-2023-36222Public exploitNetwork attack vector

Authenticated script execution via unescaped article comments

Published Jul 3, 2023 · Updated Jul 9, 2026

Stored XSS in mlogclub bbs-go 3.5.5 and earlier allows remote authenticated users to execute scripts through article comments. The administrative comment controller returns comment.Content without HTML encoding, so a stored img onerror payload becomes executable markup. A registered account can plant the payload, but an administrator must view the affected comment; execution can expose the administrator's cookies.

CVSS severity5.4
Medium
EPSS probability0.56%
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 mlogclub bbs-go 3.5.5 and earlier allows remote authenticated users to execute scripts through article comments. The administrative comment controller returns comment.Content without HTML encoding, so a stored img onerror payload becomes executable markup. A registered account can plant the payload, but an administrator must view the affected comment; execution can expose the administrator's cookies.

The record

CVE
CVE-2023-36222
Published
Jul 3, 2023
Updated
Jul 9, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 3, 2023CVE publishedPublication date reported by the CVE source.
  2. Jul 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.4NVDCVSS: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.

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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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

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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