CVE-2021-42361Network attack vector

Stored XSS via unescaped name parameter

Published Nov 17, 2021 · Updated Feb 14, 2025

Stored XSS in CodePeople Contact Form Email 1.3.24 and earlier allows remote authenticated users to inject scripts through the name parameter. cp-admin-int-list.inc.php accepts and later renders the stored name value without sufficient input validation or output escaping. Administrator access is required, a later page view triggers execution, and affected sites disable unfiltered_html for administrators.

CVSS severity4.8
Medium
EPSS probability0.62%
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 CodePeople Contact Form Email 1.3.24 and earlier allows remote authenticated users to inject scripts through the name parameter. cp-admin-int-list.inc.php accepts and later renders the stored name value without sufficient input validation or output escaping. Administrator access is required, a later page view triggers execution, and affected sites disable unfiltered_html for administrators.

The record

CVE
CVE-2021-42361
Published
Nov 17, 2021
Updated
Feb 14, 2025
Vendor
CodePeople
Product
Contact Form Email
Classifications
CWE-79, T1189
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Nov 17, 2021CVE publishedPublication date reported by the CVE source.
  2. Feb 14, 2025Record 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=1.3.24 <=1.3.24

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

CodePeople · Contact Form Emailversion=1.3.24 <=1.3.24

Published CVSS scores

4.8WordfenceCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
2.1NIST NVDAV:N/AC:H/Au:S/C:N/I:P/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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

Public exploit references

No public exploit references are available in this record.

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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