jurajsim Post Affiliate Pro Plugin up to 1.28.0 on WordPress External Collaborator Endpoint server-side request forgery

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in jurajsim Post Affiliate Pro Plugin up to 1.28.0 on WordPress. Affected by this vulnerability is an unknown functionality of the component External Collaborator Endpoint. Performing a manipulation results in server-side request forgery. This vulnerability is cataloged as CVE-2026-2290. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in jurajsim Post Affiliate Pro Plugin up to 1.28.0 on WordPress. This affects an unknown code of the component External Collaborator Endpoint. The manipulation with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The Post Affiliate Pro plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.28.0. This makes it possible for authenticated attackers, with Administrator-level access, to make web requests to initiate arbitrary outbound requests from the application and read the returned response content. Successful exploitation was confirmed by receiving and observing response data from an external Collaborator endpoint.

The weakness was shared by Phap Nguyen Anh. The advisory is shared at wordfence.com. This vulnerability is uniquely identified as CVE-2026-2290 since 02/10/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 1.28.0 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (Wordfence): 🔒

CVSSv2info

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

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Post Affiliate Pro Plugin 1.28.0

Timelineinfo

02/10/2026 CVE reserved
03/21/2026 +39 days Advisory disclosed
03/21/2026 +0 days VulDB entry created
03/21/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wordfence.com
Researcher: Phap Nguyen Anh
Status: Confirmed

CVE: CVE-2026-2290 (🔒)
GCVE (CVE): GCVE-0-2026-2290
GCVE (VulDB): GCVE-100-352209

Entryinfo

Created: 03/21/2026 07:30
Changes: 03/21/2026 07:30 (67)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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