VDB-184448 · CVE-2021-39349 · ID 2613798

HAL Plugin up to 2.1.1 on WordPress ~/wp-hal.php cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
3.9	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in HAL Plugin up to 2.1.1 on WordPress. Affected by this vulnerability is an unknown functionality of the file ~/wp-hal.php. Such manipulation leads to cross site scripting. This vulnerability is listed as CVE-2021-39349. The attack may be performed from remote. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in HAL Plugin up to 2.1.1 on WordPress (WordPress Plugin). Affected by this issue is an unknown code block of the file ~/wp-hal.php. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity.

The weakness was presented 10/15/2021. The advisory is shared for download at wordfence.com. This vulnerability is handled as CVE-2021-39349 since 08/20/2021. 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:~/wp-hal.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.

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

Productinfo

Type

WordPress Plugin

Name

HAL Plugin

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.9

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (Wordfence): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: plugins.trac.wordpress.org

Timelineinfo

08/20/2021 🔍
10/15/2021 +56 days 🔍
10/15/2021 +0 days 🔍
10/20/2021 +5 days 🔍

Sourcesinfo

Advisory: 2613798
Status: Confirmed

CVE: CVE-2021-39349 (🔍)
GCVE (CVE): GCVE-0-2021-39349
GCVE (VulDB): GCVE-100-184448

Entryinfo

Created: 10/15/2021 18:28
Updated: 10/20/2021 18:08
Changes: 10/15/2021 18:28 (50), 10/20/2021 18:08 (2)
Complete: 🔍
Cache ID: 216::103