VDB-227856 · CVE-2023-0891 · fee-9768-462

StagTools Plugin up to 2.3.6 on WordPress Shortcode Attribute 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.
4.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in StagTools Plugin up to 2.3.6 on WordPress. It has been declared as problematic. This affects an unknown part of the component Shortcode Attribute Handler. The manipulation results in cross site scripting. This vulnerability is identified as CVE-2023-0891. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in StagTools Plugin up to 2.3.6 on WordPress (WordPress Plugin). Affected is some unknown processing of the component Shortcode Attribute Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. CVE summarizes:

The StagTools WordPress plugin before 2.3.7 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

The weakness was released 05/02/2023 as fee-9768-462. The advisory is shared for download at wpscan.com. This vulnerability is traded as CVE-2023-0891 since 02/17/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 2.3.7 eliminates this vulnerability.

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

Productinfo

Type

WordPress Plugin

Name

StagTools Plugin

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 5.4
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: StagTools Plugin 2.3.7

Timelineinfo

02/17/2023 🔍
05/02/2023 +73 days 🔍
05/02/2023 +0 days 🔍
04/26/2025 +725 days 🔍

Sourcesinfo

Advisory: fee-9768-462
Status: Confirmed

CVE: CVE-2023-0891 (🔍)
GCVE (CVE): GCVE-0-2023-0891
GCVE (VulDB): GCVE-100-227856

Entryinfo

Created: 05/02/2023 11:18
Updated: 04/26/2025 23:49
Changes: 05/02/2023 11:18 (42), 05/24/2023 16:30 (11), 01/30/2025 16:38 (26), 04/26/2025 23:49 (3)
Complete: 🔍
Cache ID: 216::103