CVE-2023-5538Network attack vector

Stored XSS via unescaped IP request headers

Published Oct 18, 2023 · Updated Apr 8, 2026

Stored XSS in burningx mpOperationLogs 1.0.1 and earlier allows remote attackers to inject scripts through IP request headers. The plugin stores client-controlled IP header values in its login-IP log and renders them in the administrative IP list without adequate sanitization or output escaping. No authentication is needed to supply a crafted header, but a user must open the affected log page before the script executes in that site's browser context.

CVSS severity7.2
High
EPSS probability0.98%
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 burningx mpOperationLogs 1.0.1 and earlier allows remote attackers to inject scripts through IP request headers. The plugin stores client-controlled IP header values in its login-IP log and renders them in the administrative IP list without adequate sanitization or output escaping. No authentication is needed to supply a crafted header, but a user must open the affected log page before the script executes in that site's browser context.

The record

CVE
CVE-2023-5538
Published
Oct 18, 2023
Updated
Apr 8, 2026
Vendor
burningx
Product
mpOperationLogs
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 18, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 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?

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

  1. Affected versionversion=0 <=1.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

burningx · mpOperationLogsversion=0 <=1.0.1

Published CVSS scores

7.2WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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

Public exploit references

No public exploit references are available in this record.

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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