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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wallosapp:wallos:*:*:*:*:*:*:*:*", "matchCriteriaId": "7376DD5F-C93E-4454-810B-DE04B2DE7032", "versionEndExcluding": "4.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.7.0, a stored cross-site scripting (XSS) vulnerability in the payment method rename endpoint allows any authenticated user to inject arbitrary JavaScript that executes when any user visits the Settings, Subscriptions, or Statistics pages. Combined with the wallos_login authentication cookie lacking the HttpOnly flag, this enables full session hijacking. This issue has been patched in version 4.7.0."}, {"lang": "es", "value": "Wallos es un rastreador de suscripciones personal de c\u00f3digo abierto y autoalojable. Antes de la versi\u00f3n 4.7.0, una vulnerabilidad de cross-site scripting (XSS) almacenado en el endpoint de renombrado de m\u00e9todo de pago permite a cualquier usuario autenticado inyectar JavaScript arbitrario que se ejecuta cuando cualquier usuario visita las p\u00e1ginas de Configuraci\u00f3n, Suscripciones o Estad\u00edsticas. Combinado con la cookie de autenticaci\u00f3n wallos_login que carece del flag HttpOnly, esto permite el secuestro completo de la sesi\u00f3n. Este problema ha sido parcheado en la versi\u00f3n 4.7.0."}], "id": "CVE-2026-33400", "lastModified": "2026-03-26T20:39:08.093", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-24T18:16:11.310", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/ellite/Wallos/commit/e87387f0ebb540cd33e6dfda7181db9db650ecef"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/ellite/Wallos/security/advisories/GHSA-p6v5-227f-f3fv"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.7.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Wallos", "source": "cna", "vendor": "ellite"}, "product": "wallos", "vendor": "ellite"}], "analysis": {"en": {"generated_at": "2026-03-24T20:52:57.685031+00:00", "value": {"mitigation_remediation": ["Upgrade Wallos to version\u202f4.7.0 or later"], "summary": {"action": "Immediate Patch", "impact": "Stored cross\u2011site scripting enabling session hijacking"}, "threat_synthesis": {"affected_systems": "All installations of Wallos from the vendor ellite running any version earlier than 4.7.0 are vulnerable. The issue was patched in the 4.7.0 release; later versions are not affected.", "description_and_impact": "Wallos, an open\u2011source subscription tracker, has a stored cross\u2011site scripting flaw in the payment method rename endpoint that allows any authenticated user to embed arbitrary JavaScript. The injected script runs automatically when other users access the Settings, Subscriptions or Statistics pages. Because the authentication cookie lacks the HttpOnly flag, the script can read that cookie and hijack the victim\u2019s session, giving the attacker full control of the compromised account.", "risk_and_exploitability": "The flaw has a CVSS score of 5.4, indicating moderate severity. Exploitation requires a legitimate, authenticated user who can rename a payment method, so the threat is limited to those with valid credentials. EPSS data is not available, and the vulnerability is not listed in the CISA Known\u2011Exploited Vulnerabilities catalog. Once the script is injected, the attacker can hijack any other user's session that visits the affected pages."}}}}, "created": "2026-03-25T11:46:52.155004+00:00", "updated": "2026-03-25T20:49:37.554828+00:00", "vendors": ["ellite", "ellite$PRODUCT$wallos"]}