CVE-2023-0492Public exploitNetwork attack vector

Contributor-level stored XSS via unescaped shortcode attribute

Published Feb 21, 2023 · Updated Mar 14, 2025

Stored XSS in GS Plugins GS WooCommerce Product Slider before 1.5.9 allows remote authenticated users to execute script via a shortcode. The shortcode renderer returns the user-supplied theme attribute in page output without validation or contextual escaping. Contributor access is required to save the payload, and script execution occurs when a user views the embedded shortcode, exposing that user's browser session to data access or actions.

CVSS severity5.4
Medium
EPSS probability0.46%
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 GS Plugins GS WooCommerce Product Slider before 1.5.9 allows remote authenticated users to execute script via a shortcode. The shortcode renderer returns the user-supplied theme attribute in page output without validation or contextual escaping. Contributor access is required to save the payload, and script execution occurs when a user views the embedded shortcode, exposing that user's browser session to data access or actions.

The record

CVE
CVE-2023-0492
Published
Feb 21, 2023
Updated
Mar 14, 2025
Vendor
GS Plugins
Product
GS WooCommerce Product Slider
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 21, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 14, 2025Record 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 <1.5.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GS Plugins · GS WooCommerce Product Sliderversion=0 <1.5.9

Published CVSS scores

5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.4NIST NVDCVSS: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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 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')
T1203Exploitation for Client Execution

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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