CVE-2020-28339

The usc-e-shop (aka Collne Welcart e-Commerce) plugin before 1.9.36 for WordPress allows Object Injection because of usces_unserialize. There is not a complete POP chain.

CVSS v3 7.5 HIGH
CVSS v2.0 6.5 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://wordpress.org/plugins/usc-e-shop/#developers	Product Third Party Advisory
https://www.wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-commerce-plugin/	Exploit Third Party Advisory
https://wordpress.org/plugins/usc-e-shop/#developers	Product Third Party Advisory
https://www.wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-commerce-plugin/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:welcart:welcart_e-commerce:*:*:*:*:*:wordpress:*:*

History

20 Feb 2025, 18:34

Type	Values Removed	Values Added
First Time		Welcart Welcart welcart E-commerce
CPE	cpe:2.3:a:collne:welcart_e-commerce::::::wordpress::*	cpe:2.3:a:welcart:welcart_e-commerce::::::wordpress::*

21 Nov 2024, 05:22

Type	Values Removed	Values Added
CVSS	v2 : ~~6.5~~ v3 : ~~8.8~~	v2 : 6.5 v3 : 7.5
References	~~() https://wordpress.org/plugins/usc-e-shop/#developers - Product, Third Party Advisory~~	() https://wordpress.org/plugins/usc-e-shop/#developers - Product, Third Party Advisory
References	~~() https://www.wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-commerce-plugin/ - Exploit, Third Party Advisory~~	() https://www.wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-commerce-plugin/ - Exploit, Third Party Advisory

Information

Published : 2020-11-07 19:15

Updated : 2025-02-20 18:34

NVD link : CVE-2020-28339

Mitre link : CVE-2020-28339

CVE.ORG link : CVE-2020-28339

JSON object : View

Products Affected

welcart

welcart_e-commerce

CWE

CWE-502

Deserialization of Untrusted Data

{"id": "CVE-2020-28339", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.6}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2020-11-07T19:15:12.880", "references": [{"url": "https://wordpress.org/plugins/usc-e-shop/#developers", "tags": ["Product", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-commerce-plugin/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://wordpress.org/plugins/usc-e-shop/#developers", "tags": ["Product", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-commerce-plugin/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "The usc-e-shop (aka Collne Welcart e-Commerce) plugin before 1.9.36 for WordPress allows Object Injection because of usces_unserialize. There is not a complete POP chain."}, {"lang": "es", "value": "El plugin usc-e-shop (tambi\u00e9n se conoce como Collne Welcart e-Commerce) versiones anteriores a 1.9.36 para WordPress, permite una Inyecci\u00f3n de Objetos debido a la funci\u00f3n usces_unserialize. No contiene una cadena POP completa"}], "lastModified": "2025-02-20T18:34:50.990", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:welcart:welcart_e-commerce:*:*:*:*:*:wordpress:*:*", "vulnerable": true, "matchCriteriaId": "E53D47A3-6B9B-4D39-8289-0ABDF4A93F44", "versionEndExcluding": "1.9.36"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}