CVE-2023-6530Public exploitNetwork attack vector

Stored XSS via unescaped shortcode target attribute

Published Jan 29, 2024 · Updated May 29, 2025

Stored XSS in Theme Junkie TJ Shortcodes 0 through 0.1.3 allows remote authenticated users to execute JavaScript through a post. The junkie-button shortcode writes its target attribute into rendered button markup without validating or escaping attacker-controlled content. Contributor access permits storage in a post, and execution requires another user to view the page and interact with the crafted button.

CVSS severity5.4
Medium
EPSS probability0.41%
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 Theme Junkie TJ Shortcodes 0 through 0.1.3 allows remote authenticated users to execute JavaScript through a post. The junkie-button shortcode writes its target attribute into rendered button markup without validating or escaping attacker-controlled content. Contributor access permits storage in a post, and execution requires another user to view the page and interact with the crafted button.

The record

CVE
CVE-2023-6530
Published
Jan 29, 2024
Updated
May 29, 2025
Vendor
Theme Junkie
Product
TJ Shortcodes
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 29, 2024CVE publishedPublication date reported by the CVE source.
  2. May 29, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=0 <=0.1.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Theme Junkie · TJ Shortcodesversion=0 <=0.1.3

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.4CISA-ADPCVSS: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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