Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Admin must explicitly navigate to the attacker's profile via ?show_user_id= to trigger the stored payload, requiring UI:R rather than UI:N.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The WP Crowdfunding plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'first_name' parameter in all versions up to, and including, 2.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. An administrator viewing any user's profile via the ?show_user_id= parameter will render the attacker's stored payload in the admin's browser session, enabling cross-privilege script execution.
AnalysisAI
Stored Cross-Site Scripting in the WP Crowdfunding WordPress plugin (≤2.2.1, by Themeum) allows authenticated subscribers to inject persistent JavaScript via the first_name parameter in the plugin's user profile dashboard. When an administrator views the attacker's user profile via the ?show_user_id= URL parameter, the payload executes in the admin's browser session, enabling cross-privilege script execution from a subscriber-level account to an administrative context. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to hold at minimum a subscriber-level WordPress account on the target site; this means either user self-registration is enabled on the site (allowing external account creation) or the attacker has obtained credentials through other means. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 6.4 Medium score reflects the cross-privilege Scope:Changed nature of this stored XSS, where a subscriber-level account can execute scripts in an administrator's browser session. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | A patch commit is available in the WordPress.org plugin SVN repository at changeset 3677675 (https://plugins.trac.wordpress.org/changeset?reponame=&old=3677675%40wp-crowdfunding&new=3677675%40wp-crowdfunding); upgrade to the version succeeding 2.2.1 once it is published to the WordPress plugin directory. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-74624
GHSA-qj7q-4x68-8gg5