Newsup Plugin up to 5.0.10 on WordPress Plugin Installation newsup_admin_info_install_plugin authorization

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
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.
5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Newsup Plugin up to 5.0.10 on WordPress. It has been declared as critical. This vulnerability affects the function newsup_admin_info_install_plugin of the component Plugin Installation Handler. Executing a manipulation can lead to authorization. This vulnerability is tracked as CVE-2025-8682. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Newsup Plugin up to 5.0.10 on WordPress. It has been declared as critical. This vulnerability affects the function newsup_admin_info_install_plugin of the component Plugin Installation Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The Newsup theme for WordPress is vulnerable to unauthorized plugin installation due to a missing capability check on the newsup_admin_info_install_plugin() function in all versions up to, and including, 5.0.10. This makes it possible for unauthenticated attackers to install the ansar-import plugin.

The advisory is shared for download at wordfence.com. This vulnerability was named CVE-2025-8682. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/11/2025).

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-2025-33847). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
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

10/11/2025 Advisory disclosed
10/11/2025 +0 days VulDB entry created
10/11/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: wordfence.com
Status: Not defined

CVE: CVE-2025-8682 (🔒)
GCVE (CVE): GCVE-0-2025-8682
GCVE (VulDB): GCVE-100-328012
EUVD: 🔒

Entryinfo

Created: 10/11/2025 10:10
Updated: 10/11/2025 17:52
Changes: 10/11/2025 10:10 (51), 10/11/2025 14:28 (12), 10/11/2025 17:52 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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