CVE-2025-1783: gallery styles vulnerability

The Gallery Styles plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Gallery Block in all versions up to, and including, 1.3.4 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.
CVE-2025-1783CVSS 6.4Web

CVE-2025-1783: gallery styles vulnerability

The Gallery Styles plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Gallery Block in all versions up to, and including, 1.3.4 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
6.4 MEDIUM
EPSS
16.84%
Known exploited
not in KEV
Product
gallery styles

What is known

The Gallery Styles plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Gallery Block in all versions up to, and including, 1.3.4 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.

Sources

Security newsletter

Get new CVE alerts before they become an incident

We send selected infrastructure threats in English, with practical notes for DataHouse environments.

  • DataHouse: server administration and secure cloud
  • Hostilla.pl: hosting and mail services
  • SecDNS.pl: free DNS security layer