AccessAlly Plugin up to 3.3.1 on WordPress Login Widget login_error code injection

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in AccessAlly Plugin up to 3.3.1 on WordPress. This issue affects some unknown processing of the component Login Widget. Such manipulation of the argument login_error leads to code injection. This vulnerability is uniquely identified as CVE-2020-36875. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in AccessAlly Plugin up to 3.3.1 on WordPress and classified as critical. Affected by this issue is an unknown part of the component Login Widget. The manipulation of the argument login_error 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:

AccessAlly WordPress plugin versions prior to 3.3.2 contain an unauthenticated arbitrary PHP code execution vulnerability in the Login Widget. The plugin processes the login_error parameter as PHP code, allowing an attacker to supply and execute arbitrary PHP in the context of the WordPress web server process, resulting in remote code execution.

The weakness was disclosed by Brad Patton. The advisory is available at accessally.com. This vulnerability is handled as CVE-2020-36875 since 10/30/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

Upgrading to version 3.3.2 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: AccessAlly Plugin 3.3.2

Timelineinfo

10/30/2025 CVE reserved
01/09/2026 +71 days Advisory disclosed
01/09/2026 +0 days VulDB entry created
01/09/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: accessally.com
Researcher: Brad Patton
Status: Confirmed

CVE: CVE-2020-36875 (🔒)
GCVE (CVE): GCVE-0-2020-36875
GCVE (VulDB): GCVE-100-340322

Entryinfo

Created: 01/09/2026 18:04
Changes: 01/09/2026 18:04 (70)
Complete: 🔍
Cache ID: 216::103

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