CVE-2023-2023

Custom 404 Pro < 3.7.3 - Reflected Cross-Site Scripting

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Published May 30, 2023 CVSS 3.1 · 6.1 Medium EPSS 1.7% KEV · Not listed

Description

The Custom 404 Pro WordPress plugin before 3.7.3 does not escape some URLs before outputting them in attributes, leading to Reflected Cross-Site Scripting.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Unknown

Custom 404 Pro

unaffected

Version	Status	Constraints
`0`	affected	< 3.7.3

Configuration 1 [-]

cpe:2.3:a:kunalnagar:custom_404_pro:*:*:*:*:*:wordpress:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 1.7% (1.710% probability within 30 days)

Exploitation poc

Automatable no

Technical Impact partial

References

Link	Providers
https://wpscan.com/vulnerability/8859843a-a8c2-4f7a-8372-67049d6ea317

History

Jul 15, 2025 1:45 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.6791}`	epss `{'score': 0.76554}`

Jan 9, 2025 7:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Kunalnagar Custom 404 Pro

Weaknesses

CWE-79

Sources

CVE record Updated: Jan 9, 2025, 6:53 PM

Status: PUBLISHED
Assigner: WPScan
Published: May 30, 2023, 7:49 AM
Updated: Jan 9, 2025, 6:53 PM
Reserved: Apr 13, 2023, 2:56 PM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 6:12 AM

Updated: Aug 2, 2024, 6:12 AM

NVD Updated: Jun 17, 2026, 5:51 AM

Status: Modified
Published: May 30, 2023, 8:15 AM
Modified: Jun 17, 2026, 5:51 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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