CVE-2023-0076Public exploitNetwork attack vector

Stored XSS via unescaped shortcode attribute

Published Mar 6, 2023 · Updated Aug 2, 2024

Stored cross-site scripting in dFactory Download Attachments before 1.3 allows remote authenticated users to run script in visitors' browsers. The download-attachments shortcode returns its container_class attribute into a post or page without validating or escaping the value. Contributor-level access and an attached item in the Attachments metabox are required, and execution occurs when a visitor interacts with the rendered element.

CVSS severity5.4
Medium
EPSS probability0.48%
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 dFactory Download Attachments before 1.3 allows remote authenticated users to run script in visitors' browsers. The download-attachments shortcode returns its container_class attribute into a post or page without validating or escaping the value. Contributor-level access and an attached item in the Attachments metabox are required, and execution occurs when a visitor interacts with the rendered element.

The record

CVE
CVE-2023-0076
Published
Mar 6, 2023
Updated
Aug 2, 2024
Vendor
dFactory
Product
Download Attachments
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record 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 <1.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

dFactory · Download Attachmentsversion=0 <1.3

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.

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

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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