VDB-271134 · CVE-2024-4655 · GCVE-0-2024-4655

Ultimate Blocks Plugin up to 3.1.8 on WordPress Block Option 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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Ultimate Blocks Plugin up to 3.1.8 on WordPress. The affected element is an unknown function of the component Block Option Handler. The manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2024-4655. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Ultimate Blocks Plugin up to 3.1.8 on WordPress. Affected is an unknown part of the component Block Option 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 Ultimate Blocks WordPress plugin before 3.1.9 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

The weakness was shared by Dmitrii Ignatyev. The advisory is available at wpscan.com. This vulnerability is traded as CVE-2024-4655 since 05/08/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 3.1.9 eliminates this vulnerability.

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Productinfo

Type

WordPress Plugin

Name

Ultimate Blocks Plugin

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

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

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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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

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: Ultimate Blocks Plugin 3.1.9

Timelineinfo

05/08/2024 🔍
07/11/2024 +64 days 🔍
07/11/2024 +0 days 🔍
03/19/2025 +251 days 🔍

Sourcesinfo

Advisory: wpscan.com
Researcher: Dmitrii Ignatyev
Status: Confirmed

CVE: CVE-2024-4655 (🔍)
GCVE (CVE): GCVE-0-2024-4655
GCVE (VulDB): GCVE-100-271134

Entryinfo

Created: 07/11/2024 08:15
Updated: 03/19/2025 09:23
Changes: 07/11/2024 08:15 (57), 07/11/2024 14:48 (1), 07/13/2024 03:53 (12), 03/19/2025 09:23 (3)
Complete: 🔍
Cache ID: 216::103