Ultimate Member ultimate-member Plugin 2.1.3 on WordPress class-admin-upgrade.php class-admin-upgrade.php. pack php file inclusion

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Ultimate Member ultimate-member Plugin 2.1.3 on WordPress. This impacts the function class-admin-upgrade.php. of the file class-admin-upgrade.php. Performing a manipulation of the argument pack results in php file inclusion. This vulnerability is reported as CVE-2020-37169. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as critical has been found in Ultimate Member ultimate-member Plugin 2.1.3 on WordPress. This affects the function class-admin-upgrade.php. of the file class-admin-upgrade.php. The manipulation of the argument pack with an unknown input leads to a php file inclusion vulnerability. CWE is classifying the issue as CWE-98. The PHP application receives input from an upstream component, but it does not restrict or incorrectly restricts the input before its usage in "require," "include," or similar functions. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

WordPress Plugin ultimate-member 2.1.3 contains a local file inclusion vulnerability that allows authenticated attackers to include arbitrary files by manipulating the pack parameter in class-admin-upgrade.php. Attackers can send POST requests with malicious pack values to include unintended PHP files from the packages directory and execute arbitrary code.

The weakness was disclosed by Mehran Feizi as 48065. The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2020-37169 since 02/06/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:class-admin-upgrade.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

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: 5.9
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Php file inclusion
CWE: CWE-98 / CWE-73
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/06/2026 CVE reserved
05/13/2026 +95 days Advisory disclosed
05/13/2026 +0 days VulDB entry created
05/13/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 48065
Researcher: Mehran Feizi
Status: Not defined

CVE: CVE-2020-37169 (🔒)
GCVE (CVE): GCVE-0-2020-37169
GCVE (VulDB): GCVE-100-363537
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/13/2026 17:36
Changes: 05/13/2026 17:36 (82)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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