VDB-185333 · CVE-2021-24884 · GCVE-0-2021-24884

Formidable Form Builder Plugin up to 4.09.04 on WordPress HTML Tag HTML injection

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.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Formidable Form Builder Plugin up to 4.09.04 on WordPress. Impacted is an unknown function of the component HTML Tag Handler. The manipulation leads to HTML injection. This vulnerability is listed as CVE-2021-24884. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Formidable Form Builder Plugin up to 4.09.04 on WordPress (WordPress Plugin) and classified as problematic. This issue affects an unknown functionality of the component HTML Tag Handler. The manipulation with an unknown input leads to a html injection 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 10/25/2021. The advisory is shared at wpscan.com. The identification of this vulnerability is CVE-2021-24884 since 01/14/2021. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 4.09.05 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

WordPress Plugin

Name

Formidable Form Builder Plugin

Version

4.09.04

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

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

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

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: HTML injection
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: Formidable Form Builder Plugin 4.09.05
Patch: github.com

Timelineinfo

01/14/2021 🔍
10/25/2021 +283 days 🔍
10/25/2021 +0 days 🔍
10/30/2021 +5 days 🔍

Sourcesinfo

Advisory: wpscan.com
Status: Confirmed

CVE: CVE-2021-24884 (🔍)
GCVE (CVE): GCVE-0-2021-24884
GCVE (VulDB): GCVE-100-185333

Entryinfo

Created: 10/25/2021 18:33
Updated: 10/30/2021 02:28
Changes: 10/25/2021 18:33 (41), 10/30/2021 02:28 (1)
Complete: 🔍
Cache ID: 216::103