CVE-2024-9940Network attack vector

Administrator email content injection via unsanitized submissions

Published Oct 17, 2024 · Updated Apr 8, 2026

HTML injection in CodePeople Calculated Fields Form 5.2.45 and earlier allows remote attackers to place arbitrary HTML in administrator emails. The email-notification path incorporates submitted form values without neutralizing HTML elements before rendering the message body. No authentication is required to submit the form, but an administrator must view the resulting email for the injected content to render.

CVSS severity5.3
Medium
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

HTML injection in CodePeople Calculated Fields Form 5.2.45 and earlier allows remote attackers to place arbitrary HTML in administrator emails. The email-notification path incorporates submitted form values without neutralizing HTML elements before rendering the message body. No authentication is required to submit the form, but an administrator must view the resulting email for the injected content to render.

The record

CVE
CVE-2024-9940
Published
Oct 17, 2024
Updated
Apr 8, 2026
Vendor
CodePeople
Product
Calculated Fields Form
Classifications
CWE-75, CWE-79
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 17, 2024CVE 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 <=5.2.45

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

CodePeople · Calculated Fields Formversion=0 <=5.2.45

Published CVSS scores

4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
5.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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 exploitUnconfirmed

Weakness, pattern, technique

CWE-75Failure to Sanitize Special Elements into a Different Plane (Special Element Injection)
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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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