Falco PHPPageBuilder 0.31.0 pagemanager/pagebuilder unrestricted upload

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 (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Falco PHPPageBuilder 0.31.0. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component pagemanager/pagebuilder. This manipulation causes unrestricted upload. This vulnerability appears as CVE-2026-39292. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Falco PHPPageBuilder 0.31.0 and classified as critical. Affected by this vulnerability is an unknown function of the component pagemanager/pagebuilder. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Falco Solutions PHPPageBuilder v0.31.0 contains an unrestricted file upload vulnerability in the pagemanager/pagebuilder module that allows remote attackers to upload arbitrary files and achieve remote code execution. The vulnerability exists due to insufficient validation of uploaded file types and executable content.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-39292 since 04/06/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/29/2026). MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/06/2026 CVE reserved
05/29/2026 +53 days Advisory disclosed
05/29/2026 +0 days VulDB entry created
05/29/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-39292 (🔒)
GCVE (CVE): GCVE-0-2026-39292
GCVE (VulDB): GCVE-100-367213

Entryinfo

Created: 05/29/2026 17:15
Changes: 05/29/2026 17:15 (53)
Complete: 🔍
Cache ID: 216::103

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