CVE-2017-20193Public exploitNetwork attack vector

Script injection via unescaped vendor description

Published Oct 16, 2024 · Updated Apr 8, 2026

Reflected XSS in WooCommerce Product Vendors before 2.0.36 allows remote attackers to inject scripts through the vendor registration form. The form reflects the vendor_description POST parameter into its response without sufficient input sanitization or output escaping. Exploitation is unauthenticated but requires a victim to follow or submit an attacker-controlled request, causing the script to run in the victim's browser.

CVSS severity4.7
Medium
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in WooCommerce Product Vendors before 2.0.36 allows remote attackers to inject scripts through the vendor registration form. The form reflects the vendor_description POST parameter into its response without sufficient input sanitization or output escaping. Exploitation is unauthenticated but requires a victim to follow or submit an attacker-controlled request, causing the script to run in the victim's browser.

The record

CVE
CVE-2017-20193
Published
Oct 16, 2024
Updated
Apr 8, 2026
Vendor
WooCommerce
Product
Product Vendors
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 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=0 <2.0.36

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WooCommerce · Product Vendorsversion=0 <2.0.36

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.7WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

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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