revmakx Backup and Staging by WP Time Capsule Plugin up to 1.22.21 on WordPress UploadHandler.php unrestricted upload

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in revmakx Backup and Staging by WP Time Capsule Plugin up to 1.22.21 on WordPress. The impacted element is an unknown function of the file UploadHandler.php. The manipulation results in unrestricted upload. This vulnerability is cataloged as CVE-2024-8856. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in revmakx Backup and Staging by WP Time Capsule Plugin up to 1.22.21 on WordPress. It has been classified as critical. Affected is some unknown functionality of the file UploadHandler.php. The manipulation with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The Backup and Staging by WP Time Capsule plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the the UploadHandler.php file and no direct file access prevention in all versions up to, and including, 1.22.21. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

The weakness was shared by Rein Daelman. The advisory is available at wordfence.com. This vulnerability is traded as CVE-2024-8856 since 09/13/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:UploadHandler.php it is possible to find vulnerable targets with Google Hacking.

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 Exploit-DB (52131). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (Wordfence): 🔍

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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/13/2024 🔍
11/16/2024 +64 days 🔍
11/16/2024 +0 days 🔍
07/28/2025 +254 days 🔍

Sourcesinfo

Advisory: wordfence.com
Researcher: Rein Daelman
Status: Not defined

CVE: CVE-2024-8856 (🔍)
GCVE (CVE): GCVE-0-2024-8856
GCVE (VulDB): GCVE-100-284874
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/16/2024 09:28
Updated: 07/28/2025 06:57
Changes: 11/16/2024 09:28 (64), 07/09/2025 21:08 (1), 07/28/2025 06:57 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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