CVE-2022-0818Public exploitNetwork attack vector

Stored XSS via unauthenticated settings update

Published Mar 28, 2022 · Updated Aug 2, 2024

Stored XSS in RelyWP Coupon Affiliates before 4.16.4.5 allows remote attackers to inject JavaScript through an AJAX settings action. The unauthenticated wcu-update-text action accepts attacker-controlled option and value parameters and stores the value without sanitization. The payload executes when an administrator opens the plugin settings page, allowing browser-context actions under that session.

CVSS severity6.1
Medium
EPSS probability0.87%
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 RelyWP Coupon Affiliates before 4.16.4.5 allows remote attackers to inject JavaScript through an AJAX settings action. The unauthenticated wcu-update-text action accepts attacker-controlled option and value parameters and stores the value without sanitization. The payload executes when an administrator opens the plugin settings page, allowing browser-context actions under that session.

The record

CVE
CVE-2022-0818
Published
Mar 28, 2022
Updated
Aug 2, 2024
Vendor
RelyWP
Product
Coupon Affiliates – Affiliate Plugin for WooCommerce
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 28, 2022CVE 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

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=4.16.4.5 <4.16.4.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

RelyWP · Coupon Affiliates – Affiliate Plugin for WooCommerceversion=4.16.4.5 <4.16.4.5

Published CVSS scores

4.3NIST NVDAV:N/AC:M/Au:N/C:N/I:P/A:N
6.1NIST NVDCVSS: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 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')
T1059.007JavaScript/JScript

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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