CVE-2023-6486

The Spectra – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Custom CSS metabox in all versions up to and including 2.10.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS v3 6.4 MEDIUM

6.4^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.1 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://advisory.abay.sh/cve-2023-6486	Exploit Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3042670%40ultimate-addons-for-gutenberg%2Ftrunk&old=3037142%40ultimate-addons-for-gutenberg%2Ftrunk&sfp_email=&sfph_mail=	Patch
https://www.wordfence.com/threat-intel/vulnerabilities/id/d4933a30-974f-487d-9444-b0ea1283a09c?source=cve	Third Party Advisory
https://youtu.be/t5K745dBsT0	Exploit
https://advisory.abay.sh/cve-2023-6486	Exploit Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3042670%40ultimate-addons-for-gutenberg%2Ftrunk&old=3037142%40ultimate-addons-for-gutenberg%2Ftrunk&sfp_email=&sfph_mail=	Patch
https://www.wordfence.com/threat-intel/vulnerabilities/id/d4933a30-974f-487d-9444-b0ea1283a09c?source=cve	Third Party Advisory
https://youtu.be/t5K745dBsT0	Exploit

Configurations

Configuration 1 (hide)

cpe:2.3:a:brainstormforce:spectra:*:*:*:*:*:wordpress:*:*

History

06 Feb 2025, 18:58

Type	Values Removed	Values Added
References	~~() https://advisory.abay.sh/cve-2023-6486 -~~	() https://advisory.abay.sh/cve-2023-6486 - Exploit, Third Party Advisory
References	() https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3042670%40ultimate-addons-for-gutenberg%2Ftrunk&old=3037142%40ultimate-addons-for-gutenberg%2Ftrunk&sfp_email=&sfph_mail= -	() https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3042670%40ultimate-addons-for-gutenberg%2Ftrunk&old=3037142%40ultimate-addons-for-gutenberg%2Ftrunk&sfp_email=&sfph_mail= - Patch
References	~~() https://www.wordfence.com/threat-intel/vulnerabilities/id/d4933a30-974f-487d-9444-b0ea1283a09c?source=cve -~~	() https://www.wordfence.com/threat-intel/vulnerabilities/id/d4933a30-974f-487d-9444-b0ea1283a09c?source=cve - Third Party Advisory
References	~~() https://youtu.be/t5K745dBsT0 -~~	() https://youtu.be/t5K745dBsT0 - Exploit
First Time		Brainstormforce Brainstormforce spectra
CPE		cpe:2.3:a:brainstormforce:spectra::::::wordpress::*
CWE		CWE-79

21 Nov 2024, 08:43

Type	Values Removed	Values Added
Summary		(es) El complemento Spectra – WordPress Gutenberg Blocks para WordPress es vulnerable a Cross-Site Scripting Almacenado a través del metabox CSS personalizado en todas las versiones hasta la 2.10.3 incluida debido a una desinfección de entrada y un escape de salida insuficientes. Esto hace posible que atacantes autenticados, con acceso de nivel de colaborador y superior, inyecten scripts web arbitrarios en páginas que se ejecutarán cada vez que un usuario acceda a una página inyectada.
References	~~() https://advisory.abay.sh/cve-2023-6486 -~~	() https://advisory.abay.sh/cve-2023-6486 -
References	() https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3042670%40ultimate-addons-for-gutenberg%2Ftrunk&old=3037142%40ultimate-addons-for-gutenberg%2Ftrunk&sfp_email=&sfph_mail= -	() https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3042670%40ultimate-addons-for-gutenberg%2Ftrunk&old=3037142%40ultimate-addons-for-gutenberg%2Ftrunk&sfp_email=&sfph_mail= -
References	~~() https://www.wordfence.com/threat-intel/vulnerabilities/id/d4933a30-974f-487d-9444-b0ea1283a09c?source=cve -~~	() https://www.wordfence.com/threat-intel/vulnerabilities/id/d4933a30-974f-487d-9444-b0ea1283a09c?source=cve -
References	~~() https://youtu.be/t5K745dBsT0 -~~	() https://youtu.be/t5K745dBsT0 -

09 Apr 2024, 19:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-04-09 19:15

Updated : 2025-02-06 18:58

NVD link : CVE-2023-6486

Mitre link : CVE-2023-6486

CVE.ORG link : CVE-2023-6486

JSON object : View

Products Affected

brainstormforce

spectra

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2023-6486", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security@wordfence.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 3.1}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}]}, "published": "2024-04-09T19:15:12.203", "references": [{"url": "https://advisory.abay.sh/cve-2023-6486", "tags": ["Exploit", "Third Party Advisory"], "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3042670%40ultimate-addons-for-gutenberg%2Ftrunk&old=3037142%40ultimate-addons-for-gutenberg%2Ftrunk&sfp_email=&sfph_mail=", "tags": ["Patch"], "source": "security@wordfence.com"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/d4933a30-974f-487d-9444-b0ea1283a09c?source=cve", "tags": ["Third Party Advisory"], "source": "security@wordfence.com"}, {"url": "https://youtu.be/t5K745dBsT0", "tags": ["Exploit"], "source": "security@wordfence.com"}, {"url": "https://advisory.abay.sh/cve-2023-6486", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3042670%40ultimate-addons-for-gutenberg%2Ftrunk&old=3037142%40ultimate-addons-for-gutenberg%2Ftrunk&sfp_email=&sfph_mail=", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/d4933a30-974f-487d-9444-b0ea1283a09c?source=cve", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://youtu.be/t5K745dBsT0", "tags": ["Exploit"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "The Spectra \u2013 WordPress Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Custom CSS metabox in all versions up to and including 2.10.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}, {"lang": "es", "value": "El complemento Spectra \u2013 WordPress Gutenberg Blocks para WordPress es vulnerable a Cross-Site Scripting Almacenado a trav\u00e9s del metabox CSS personalizado en todas las versiones hasta la 2.10.3 incluida debido a una desinfecci\u00f3n de entrada y un escape de salida insuficientes. Esto hace posible que atacantes autenticados, con acceso de nivel de colaborador y superior, inyecten scripts web arbitrarios en p\u00e1ginas que se ejecutar\u00e1n cada vez que un usuario acceda a una p\u00e1gina inyectada."}], "lastModified": "2025-02-06T18:58:52.357", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:brainstormforce:spectra:*:*:*:*:*:wordpress:*:*", "vulnerable": true, "matchCriteriaId": "A5712BB9-C969-4AAF-98E2-96A6267BAD9D", "versionEndExcluding": "2.10.4"}], "operator": "OR"}]}], "sourceIdentifier": "security@wordfence.com"}

6.4 /10