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CVE-2026-102399

WordPress Photo Gallery by Supsystic plugin <= 1.21.0 - Cross Site Request Forgery (CSRF) vulnerability

5.4 Medium

Unauthenticated Cross Site Request Forgery (CSRF) in Photo Gallery by Supsystic <= 1.21.0 versions.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
Low

Exploit likelihood

0.10%Unchanged since Oct 1, 2026
90%50%10%1%

What each source reports

CVE List Score used 5.4

WordPress Photo Gallery by Supsystic plugin <= 1.21.0 - Cross Site Request Forgery (CSRF) vulnerability

Unauthenticated Cross Site Request Forgery (CSRF) in Photo Gallery by Supsystic <= 1.21.0 versions.

Record
CVE-2026-102399
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Weakness
CWE-352
Updated
2026-11-02
EUVDEUVD-2026-89946 5.4

Unauthenticated Cross Site Request Forgery (CSRF) in Photo Gallery by Supsystic <= 1.21.0 versions.

Record
EUVD-2026-89946
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-w97r-9m4f-xmmm 5.4

Unauthenticated Cross Site Request Forgery (CSRF) in Photo Gallery by Supsystic <= 1.21.0 versions.

Unauthenticated Cross Site Request Forgery (CSRF) in Photo Gallery by Supsystic <= 1.21.0 versions.

Record
GHSA-w97r-9m4f-xmmm
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Weakness
CWE-352
Updated
2026-11-02
NVD 5.4

Unauthenticated Cross Site Request Forgery (CSRF) in Photo Gallery by Supsystic <= 1.21.0 versions.

Record
CVE-2026-102399
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Weakness
CWE-352
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-102399 is a medium vulnerability (CVSS 5.4) in Supsystic Photo Gallery By Supsystic, published September 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 1st percentile. No source names a fixed version.

References

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