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Calculated Fields Form CVE-2024-12601

MEDIUM
Uncontrolled Resource Consumption (CWE-400)
2024-12-17 security@wordfence.com
5.3
CVSS 3.1 · Vendor: wordfence
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource consumption limits
MITRE ATT&CK

1 technique across 1 tactic: Impact

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could cause denial of service by exhausting system resources by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.6% exploitation probability (EPSS)

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AnalysisAI

The Calculated Fields Form plugin for WordPress is vulnerable to Denial of Service in all versions up to, and including, 5.2.63. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. The Calculated Fields Form plugin for WordPress is vulnerable to Denial of Service in all versions up to, and including, 5.2.63. This is due to unlimited height and width parameters for CAPTCHA images. This makes it possible for unauthenticated attackers to send multiple requests with large values, resulting in slowing server resources if the server does not mitigate Denial of Service attacks. Affected products include: Codepeople Calculated Fields Form.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (wordfence) PRIMARY 5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Primary rating from Vendor (wordfence) · only source for this CVE.

CVSS VectorVendor: wordfence

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

DescriptionCVE.org

The Calculated Fields Form plugin for WordPress is vulnerable to Denial of Service in all versions up to, and including, 5.2.63. This is due to unlimited height and width parameters for CAPTCHA images. This makes it possible for unauthenticated attackers to send multiple requests with large values, resulting in slowing server resources if the server does not mitigate Denial of Service attacks.

Threat Intelligence Overview

EPSS Score
0.6%
Top 58% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.6%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:codepeople:calculated_fields_form:*:*:*:*:*:wordpress:*:*
CVE-2024-13382 MEDIUM POC
4.8 May 15

The Calculated Fields Form WordPress plugin before 5.2.64 does not sanitise and escape some of its settings, which could

CVE-2024-13381 MEDIUM POC
4.8 May 01

The Calculated Fields Form WordPress plugin before 5.2.62 does not sanitise and escape some of its settings, which could

CVE-2024-2020 HIGH
7.2 Mar 13

The Calculated Fields Form plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the form page href para

CVE-2024-12273 LOW POC
3.5 Apr 29

The Calculated Fields Form WordPress plugin before 5.2.62 does not sanitise and escape some of its settings, which could

CVE-2024-29759 HIGH
7.1 Mar 27

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CodePeople Calcula

CVE-2026-95529 HIGH
7.1 Sep 23

Reflected cross-site scripting in the WordPress plugin Calculated Fields Form affects all versions up to and including 5

CVE-2024-0963 MEDIUM
6.4 Feb 02

The Calculated Fields Form plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's CP_CALCULA

CVE-2026-3986 MEDIUM
6.4 Mar 13

Medium severity vulnerability in WordPress plugin. The Calculated Fields Form plugin for WordPress is vulnerable to Stor

CVE-2020-7228 MEDIUM
5.4 Jan 22

The Calculated Fields Form plugin through 1.0.353 for WordPress suffers from multiple Stored XSS vulnerabilities present

CVE-2023-6446 MEDIUM
4.4 Jan 11

The Calculated Fields Form plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all v

CVE-2025-49291 MEDIUM
4.3 Jun 06

Cross-Site Request Forgery (CSRF) in Calculated Fields Form for WordPress allows an attacker to trick an authenticated a

CVE-2024-9940 MEDIUM
4.3 Oct 17

The Calculated Fields Form plugin for WordPress is vulnerable to HTML Injection in all versions up to, and including, 5.

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