CVE-2021-24938Public exploitNetwork attack vector

Script execution via reflected AJAX key

Published Dec 6, 2021 · Updated Aug 3, 2024

Reflected XSS in PluginUs.Net FOX before 1.3.7.1 allows remote attackers to execute script through a crafted AJAX key value. The woocs_update_profiles_data handler returns the key request parameter in its AJAX response without sanitizing or escaping it. Execution requires an authenticated WordPress user's browser to submit the crafted request and render the response.

CVSS severity6.1
Medium
EPSS probability0.80%
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 PluginUs.Net FOX before 1.3.7.1 allows remote attackers to execute script through a crafted AJAX key value. The woocs_update_profiles_data handler returns the key request parameter in its AJAX response without sanitizing or escaping it. Execution requires an authenticated WordPress user's browser to submit the crafted request and render the response.

The record

CVE
CVE-2021-24938
Published
Dec 6, 2021
Updated
Aug 3, 2024
Vendor
PluginUs.Net
Product
FOX – Currency Switcher Professional for WooCommerce
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 6, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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=1.3.7.1 <1.3.7.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

PluginUs.Net · FOX – Currency Switcher Professional for WooCommerceversion=1.3.7.1 <1.3.7.1

Published CVSS scores

4.3NISTAV:N/AC:M/Au:N/C:N/I:P/A:N
6.1NISTCVSS:3.1/AV:N/AC:L/PR:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.001User Execution: Malicious Link

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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