Post Affiliate Pro <= 1.28.0 - Authenticated (Administrator+) Server-Side Request Forgery via 'Post Affiliate Pro URL' Field

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Summary

CVECVE-2026-2290
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-21 04:16:58 UTC
Updated2026-04-22 21:32:08 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 3.8 LOW from [email protected]

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

EPSS: 0.000330000 probability, percentile 0.095890000 (date 2026-04-22)

Problem Types: CWE-918 | CWE-918 CWE-918 Server-Side Request Forgery (SSRF)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary3.8LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
3.1CNADECLARED3.8LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Jurajsim Post Affiliate Pro affected 1.28.0 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/postaffiliatepro/trunk/Base.class.php [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/369cd6ca-bb36-479e-b342-36d2c... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/postaffiliatepro/tags/1.28.0/Base.class.php [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Phap Nguyen Anh (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-03-20T15:20:43.000ZDisclosed
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