CVE-2023-4315Network attack vector

Reflected XSS via unescaped wcemails_edit parameter

Published Aug 31, 2023 · Updated Apr 8, 2026

Reflected XSS in WP3sixty Woo Custom Emails 2.2 and earlier allows remote attackers to run arbitrary scripts through wcemails_edit. The plugin reads the wcemails_edit request parameter and emits it into an administrative page without sufficient sanitization or output escaping. No authentication is required, but execution requires a user to follow a crafted link, exposing or modifying data in that user's browser session.

CVSS severity6.1
Medium
EPSS probability0.45%
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 WP3sixty Woo Custom Emails 2.2 and earlier allows remote attackers to run arbitrary scripts through wcemails_edit. The plugin reads the wcemails_edit request parameter and emits it into an administrative page without sufficient sanitization or output escaping. No authentication is required, but execution requires a user to follow a crafted link, exposing or modifying data in that user's browser session.

The record

CVE
CVE-2023-4315
Published
Aug 31, 2023
Updated
Apr 8, 2026
Vendor
WP3sixty
Product
Woo Custom Emails
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 31, 2023CVE 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 <=2.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WP3sixty · Woo Custom Emailsversion=0 <=2.2

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')
T1203Exploitation for Client Execution

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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