Private Only Plugin 3.5.1 on WordPress privateonly.php po_logo cross-site request forgery

HistoryDiffrelatejsonxmlCTI

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Private Only Plugin 3.5.1 on WordPress. This affects an unknown function of the file privateonly.php. Executing a manipulation of the argument po_logo can lead to cross-site request forgery. This vulnerability appears as CVE-2015-5483. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in Private Only Plugin 3.5.1 on WordPress. This vulnerability affects an unknown functionality of the file privateonly.php. The manipulation of the argument po_logo with an unknown input leads to a cross-site request forgery vulnerability. The CWE definition for the vulnerability is CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. As an impact it is known to affect integrity. CVE summarizes:

Multiple cross-site request forgery (CSRF) vulnerabilities in the Private Only plugin 3.5.1 for WordPress allow remote attackers to hijack the authentication of administrators for requests that (1) add users, (2) delete posts, or (3) modify PHP files via unspecified vectors, or (4) conduct cross-site scripting (XSS) attacks via the po_logo parameter in the privateonly.php page to wp-admin/options-general.php.

The advisory is available at packetstormsecurity.com. This vulnerability was named CVE-2015-5483 since 07/10/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known.

It is possible to download the exploit at security.dxw.com. It is declared as proof-of-concept. By approaching the search of inurl:privateonly.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.

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Productinfo

Type

WordPress Plugin

Name

Private Only Plugin

Version

3.5.1

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/10/2015 🔍
03/25/2025 +3546 days 🔍
03/25/2025 +0 days 🔍
03/25/2025 +0 days 🔍

Sourcesinfo

Advisory: 133349
Status: Not defined

CVE: CVE-2015-5483 (🔍)
GCVE (CVE): GCVE-0-2015-5483
GCVE (VulDB): GCVE-100-301078
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/25/2025 07:46
Changes: 03/25/2025 07:46 (75)
Complete: 🔍
Cache ID: 216::103