Spam Protect for Contact Form 7 Plugin up to 1.2.9 on WordPress code injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.30

Summaryinfo

A vulnerability categorized as critical has been discovered in Spam Protect for Contact Form 7 Plugin up to 1.2.9 on WordPress. This affects an unknown function. Such manipulation leads to code injection. This vulnerability is traded as CVE-2026-1540. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Spam Protect for Contact Form 7 Plugin up to 1.2.9 on WordPress. It has been rated as critical. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The Spam Protect for Contact Form 7 WordPress plugin before 1.2.10 allows logging to a PHP file, which could allow an attacker with editor access to achieve Remote Code Execution by using a crafted header

The weakness was shared by Chiao-Lin Yu. The advisory is shared for download at wpscan.com. This vulnerability is handled as CVE-2026-1540 since 01/28/2026. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.

Upgrading to version 1.2.10 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-18128). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Spam Protect for Contact Form 7 Plugin 1.2.10

Timelineinfo

01/28/2026 CVE reserved
04/02/2026 +63 days Advisory disclosed
04/02/2026 +0 days VulDB entry created
04/02/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wpscan.com
Researcher: Chiao-Lin Yu
Status: Confirmed

CVE: CVE-2026-1540 (🔒)
GCVE (CVE): GCVE-0-2026-1540
GCVE (VulDB): GCVE-100-354824
EUVD: 🔒

Entryinfo

Created: 04/02/2026 09:32
Updated: 04/02/2026 10:52
Changes: 04/02/2026 09:32 (56), 04/02/2026 10:52 (1)
Complete: 🔍
Cache ID: 216:CEE:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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