CVE-2025-3598Network attack vector

Reflected XSS via unescaped commission_summary parameter

Published Apr 18, 2025 · Updated Apr 8, 2026

Reflected XSS in Coupon Affiliates 6.3.0 and earlier allows remote attackers to execute scripts through commission_summary. The commission-summary path in inc/functions/functions-all-time.php reads commission_summary from the request and returns it in page output without sufficient sanitization or escaping. The attack is unauthenticated but requires a user to follow a crafted link, exposing data or actions available to that browser session.

CVSS severity6.1
Medium
EPSS probability0.42%
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 Coupon Affiliates 6.3.0 and earlier allows remote attackers to execute scripts through commission_summary. The commission-summary path in inc/functions/functions-all-time.php reads commission_summary from the request and returns it in page output without sufficient sanitization or escaping. The attack is unauthenticated but requires a user to follow a crafted link, exposing data or actions available to that browser session.

The record

CVE
CVE-2025-3598
Published
Apr 18, 2025
Updated
Apr 8, 2026
Vendor
RelyWP
Product
Coupon Affiliates
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 18, 2025CVE 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 <=6.3.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

RelyWP · Coupon Affiliatesversion=0 <=6.3.0

Published CVSS scores

6.1WordfenceCVSS: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.

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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 exploitUnconfirmed

Weakness, pattern, technique

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

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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