Multiplayer Games Plugin up to 3.7 on WordPress ~/multiplayergames.php $_SERVER['PHP_SELF'] cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Multiplayer Games Plugin up to 3.7 on WordPress and classified as problematic. Affected by this issue is some unknown functionality of the file ~/multiplayergames.php. Executing a manipulation of the argument $_SERVER['PHP_SELF'] can lead to cross site scripting. This vulnerability is registered as CVE-2021-34644. It is possible to launch the attack remotely. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in Multiplayer Games Plugin up to 3.7 on WordPress (WordPress Plugin) and classified as problematic. This vulnerability affects an unknown code of the file ~/multiplayergames.php. The manipulation of the argument $_SERVER['PHP_SELF'] with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

The weakness was published 08/17/2021. The advisory is shared for download at wordfence.com. This vulnerability was named CVE-2021-34644. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

By approaching the search of inurl:~/multiplayergames.php it is possible to find vulnerable targets with Google Hacking.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at plugins.trac.wordpress.org.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: plugins.trac.wordpress.org

Timelineinfo

06/10/2021 🔍
08/17/2021 +68 days 🔍
08/17/2021 +0 days 🔍
08/19/2021 +2 days 🔍

Sourcesinfo

Advisory: wordfence.com
Status: Confirmed

CVE: CVE-2021-34644 (🔍)
GCVE (CVE): GCVE-0-2021-34644
GCVE (VulDB): GCVE-100-180940

Entryinfo

Created: 08/17/2021 07:21
Updated: 08/19/2021 07:44
Changes: 08/17/2021 07:21 (40), 08/19/2021 07:37 (2), 08/19/2021 07:44 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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