CVE-2023-23788Network attack vector

Stored XSS via unescaped administrator settings

Published May 10, 2023 · Updated Apr 28, 2026

Stored XSS in Florin Arjocu Custom More Link Complete 1.4.1 and earlier allows remote authenticated users to execute scripts in visitors' browsers. The plugin stores administrator-supplied settings without sufficient input sanitization and renders them without adequate output escaping. Administrator access and a victim page view are required; exposure is limited to multisite installations or sites with unfiltered_html disabled.

CVSS severity5.9
Medium
EPSS probability0.37%
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 Florin Arjocu Custom More Link Complete 1.4.1 and earlier allows remote authenticated users to execute scripts in visitors' browsers. The plugin stores administrator-supplied settings without sufficient input sanitization and renders them without adequate output escaping. Administrator access and a victim page view are required; exposure is limited to multisite installations or sites with unfiltered_html disabled.

The record

CVE
CVE-2023-23788
Published
May 10, 2023
Updated
Apr 28, 2026
Vendor
Florin Arjocu
Product
Custom More Link Complete
Classifications
CWE-79, CAPEC-592, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. May 10, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 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=n/a <=1.4.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Florin Arjocu · Custom More Link Completeversion=n/a <=1.4.1

Published CVSS scores

4.4WordfenceCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
5.9PatchstackCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
4.8NIST NVDCVSS: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 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')
CAPEC-592Stored XSS
T1059.007Command and Scripting Interpreter: JavaScript

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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