CVE-2024-34423Network attack vector

Stored cross-site scripting through undisclosed input handling

Published May 9, 2024 · Updated Apr 28, 2026

Stored cross-site scripting in phpbits Forty Four – 404 Plugin for WordPress 1.4 and earlier allows remote authenticated users to execute script. Patchstack and phpbits have not published the affected code locus, input field, or missing output-encoding operation. Exploitation requires high-privilege access and a victim to interact with the stored payload, which can run script in that victim’s browser context.

CVSS severity5.9
Medium
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in phpbits Forty Four – 404 Plugin for WordPress 1.4 and earlier allows remote authenticated users to execute script. Patchstack and phpbits have not published the affected code locus, input field, or missing output-encoding operation. Exploitation requires high-privilege access and a victim to interact with the stored payload, which can run script in that victim’s browser context.

The record

CVE
CVE-2024-34423
Published
May 9, 2024
Updated
Apr 28, 2026
Vendor
phpbits
Product
Forty Four – 404 Plugin for WordPress
Classifications
CWE-79, CAPEC-592
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. May 9, 2024CVE 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

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

phpbits · Forty Four – 404 Plugin for WordPressversion=n/a <=1.4

Published CVSS scores

5.9PatchstackCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

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

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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