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Medium severity · published Jan 11, 2024
CVE-2023-6645
The Post Grid Combo – 36+ Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the custom JS parameter in all versions up to, and including,…
5.4
CVSS
0.3%
EPSS
No
On KEV
Description
The Post Grid Combo – 36+ Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the custom JS parameter in all versions up to, and including, 2.2.64 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access or higher to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PG
Post Grid Combo · Pickplugins
through 2.2.64 · source: NVD
Affected product
PG
Post Grid Combo
Pickplugins
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6645
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6645
Product
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3010342%40post-grid%2Ftrunk&old=2999466%40post-grid%2Ftrunk&sfp_email=&sfph_mail=
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/ab777672-6eef-4078-932d-24bb784107fa?source=cve
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