CVE-2021-24356

In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, a lack of capability checks and insufficient nonce check on the AJAX action, simple301redirects/admin/activate_plugin, made it possible for authenticated users to activate arbitrary plugins installed on vulnerable sites.

CVSS v3 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

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://wpscan.com/vulnerability/be356530-5e00-4f27-8177-b80f3c1ae6e8	Exploit Third Party Advisory
https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/	Exploit Third Party Advisory
https://wpscan.com/vulnerability/be356530-5e00-4f27-8177-b80f3c1ae6e8	Exploit Third Party Advisory
https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:wpdeveloper:simple_301_redirects:*:*:*:*:*:wordpress:*:*

History

21 Nov 2024, 05:52

Type	Values Removed	Values Added
References	~~() https://wpscan.com/vulnerability/be356530-5e00-4f27-8177-b80f3c1ae6e8 - Exploit, Third Party Advisory~~	() https://wpscan.com/vulnerability/be356530-5e00-4f27-8177-b80f3c1ae6e8 - Exploit, Third Party Advisory
References	~~() https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/ - Exploit, Third Party Advisory~~	() https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/ - Exploit, Third Party Advisory

Information

Published : 2021-06-14 14:15

Updated : 2024-11-21 05:52

NVD link : CVE-2021-24356

Mitre link : CVE-2021-24356

CVE.ORG link : CVE-2021-24356

JSON object : View

Products Affected

wpdeveloper

simple_301_redirects

CWE

CWE-862

Missing Authorization

{"id": "CVE-2021-24356", "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": "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": "2021-06-14T14:15:08.820", "references": [{"url": "https://wpscan.com/vulnerability/be356530-5e00-4f27-8177-b80f3c1ae6e8", "tags": ["Exploit", "Third Party Advisory"], "source": "contact@wpscan.com"}, {"url": "https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/", "tags": ["Exploit", "Third Party Advisory"], "source": "contact@wpscan.com"}, {"url": "https://wpscan.com/vulnerability/be356530-5e00-4f27-8177-b80f3c1ae6e8", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "contact@wpscan.com", "description": [{"lang": "en", "value": "CWE-862"}]}, {"type": "Secondary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, a lack of capability checks and insufficient nonce check on the AJAX action, simple301redirects/admin/activate_plugin, made it possible for authenticated users to activate arbitrary plugins installed on vulnerable sites."}, {"lang": "es", "value": "En el plugin Simple 301 Redirects by BetterLinks WordPress, versiones anteriores a 2.0.4, una falta de comprobaci\u00f3n de capacidad y la insuficiente comprobaci\u00f3n de nonce en la acci\u00f3n AJAX, simple301redirects/admin/activate_plugin, permit\u00eda a los usuarios autenticados activar plugins arbitrarios instalados en sitios vulnerables"}], "lastModified": "2024-11-21T05:52:54.340", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:wpdeveloper:simple_301_redirects:*:*:*:*:*:wordpress:*:*", "vulnerable": true, "matchCriteriaId": "8538C2B0-FF7E-4BE1-B282-594BF6C61C61", "versionEndExcluding": "2.0.4", "versionStartIncluding": "2.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "contact@wpscan.com"}