Medium severity · published Sep 30, 2026
CVE-2026-102399
WordPress Photo Gallery by Supsystic plugin <= 1.21.0 - Cross Site Request Forgery (CSRF) vulnerability
5.4
CVSS
0.1%
EPSS
No
On KEV
Description
Unauthenticated Cross Site Request Forgery (CSRF) in Photo Gallery by Supsystic <= 1.21.0 versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PG
Photo Gallery by Supsystic · supsystic
through 1.21.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-102399
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-102399
vdb-entry
https://patchstack.com/database/wordpress/plugin/gallery-by-supsystic/vulnerability/wordpress-photo-gallery-by-supsystic-plugin-1-21-0-cross-site-request-forgery-csrf-vulnerability?_s_id=cve
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