CVE-2021-24579

Bold Page Builder < 3.1.6 - PHP Object Injection

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The bt_bb_get_grid AJAX action of the Bold Page Builder WordPress plugin before 3.1.6 passes user input into the unserialize() function without any validation or sanitisation, which could lead to a PHP Object Injection. Even though the plugin did not contain a suitable gadget to fully exploit the issue, other installed plugins on the blog could allow such issue to be exploited and lead to RCE in some cases.

La acción bt_bb_get_grid AJAX del plugin de WordPress Bold Page Builder versiones anteriores a 3.1.6, pasa la entrada del usuario a la función unserialize() sin ninguna comprobación o saneamiento, lo que podría conllevar a una Inyección de Objeto PHP. Aunque el plugin no contenía un gadget adecuado para explotar completamente el problema, otros plugins instalados en el blog podrían permitir que este problema sea explotado y conllevar a un RCE en algunos casos.

*Credits: dc11

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-14 CVE Reserved
2021-08-02 CVE Published
2023-03-23 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-502: Deserialization of Untrusted Data

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://wpscan.com/vulnerability/08edce3f-2746-4886-8439-76e44ec76fa8	2024-08-03

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Bold-themes Search vendor "Bold-themes"		Bold Page Builder Search vendor "Bold-themes" for product "Bold Page Builder"				< 3.1.6 Search vendor "Bold-themes" for product "Bold Page Builder" and version " < 3.1.6"		wordpress		Affected