CVE-2022-3991: Photospace Gallery <= 2.3.5 - Authenticated (Subscriber+) Stored Cross-Site Scripting

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-11-29 · updated 2026-06-17
Weakness: CWE-79

Description

The Photospace Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via its settings parameters saved via the update() function in versions up to, and including, 2.3.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

Dean Oakley Photospace Gallery (WordPress plugin): through 2.3.5

References

https://plugins.trac.wordpress.org/browser/photospace/trunk/photospace.php#L87
https://www.wordfence.com/threat-intel/vulnerabilities/id/51212d87-8723-4ba7-8fa4-78912a56385f?source=cve
https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-3991
https://plugins.trac.wordpress.org/browser/photospace/trunk/photospace.php#L87
https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-3991

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