PerfreeBlog 3.1.1 JPG File /admin/user/uploadImg unrestricted upload

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability was found in PerfreeBlog 3.1.1 and classified as critical. The affected element is an unknown function of the file /admin/user/uploadImg of the component JPG File Handler. Executing a manipulation can lead to unrestricted upload. This vulnerability appears as CVE-2023-27757. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in PerfreeBlog 3.1.1. It has been declared as critical. This vulnerability affects an unknown code of the file /admin/user/uploadImg of the component JPG File Handler. 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. CVE summarizes:

An arbitrary file upload vulnerability in the /admin/user/uploadImg component of PerfreeBlog v3.1.1 allows attackers to execute arbitrary code via a crafted JPG file.

The weakness was presented 03/15/2023 as 13. The advisory is shared for download at github.com. This vulnerability was named CVE-2023-27757 since 03/05/2023. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1608.002.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-31493). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

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

NVD Base Score: 9.8
NVD Vector: 🔍

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

03/05/2023 🔍
03/15/2023 +10 days 🔍
03/15/2023 +0 days 🔍
11/22/2025 +983 days 🔍

Sourcesinfo

Advisory: 13
Status: Confirmed

CVE: CVE-2023-27757 (🔍)
GCVE (CVE): GCVE-0-2023-27757
GCVE (VulDB): GCVE-100-223108
EUVD: 🔍

Entryinfo

Created: 03/15/2023 07:05
Updated: 11/22/2025 22:14
Changes: 03/15/2023 07:05 (38), 04/08/2023 09:18 (11), 11/22/2025 22:14 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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