CVE-2026-2290Network attack vector

Response disclosure via unrestricted server-side URL requests

Published Mar 21, 2026 · Updated Mar 21, 2026

SSRF in Quality Unit Post Affiliate Pro WordPress Plugin 1.28.0 and earlier allows remote authenticated users to read URL responses. Base.class.php uses the administrator-controlled Post Affiliate Pro URL field to initiate an outbound request without restricting its destination and exposes the response. WordPress Administrator access is required; requests originate from the WordPress server and can reach resources available to that host.

CVSS severity3.8
Low
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SSRF in Quality Unit Post Affiliate Pro WordPress Plugin 1.28.0 and earlier allows remote authenticated users to read URL responses. Base.class.php uses the administrator-controlled Post Affiliate Pro URL field to initiate an outbound request without restricting its destination and exposes the response. WordPress Administrator access is required; requests originate from the WordPress server and can reach resources available to that host.

The record

CVE
CVE-2026-2290
Published
Mar 21, 2026
Updated
Mar 21, 2026
Vendor
Quality Unit
Product
Post Affiliate Pro WordPress Plugin
Classifications
CWE-918, T1190
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 21, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=* <=1.28.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Quality Unit · Post Affiliate Pro WordPress Pluginversion=* <=1.28.0

Published CVSS scores

3.8WordfenceCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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