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Gallery Custom Links vulnerabilities
Gallery Custom Links has 1 known vulnerability in this database. The most recent published record is dated 14 Oct 2026.
- Known vulnerabilities
- 1
- Active installs
- 30,000+
- Latest version
- 2.3.4
- Last updated
- 10 Oct 2026
- Most recent
- 14 Oct 2026
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Cross-site scripting (XSS) CVE-2026-107757 | Medium 4.9 | Up to 2.3.3 | Fixed in a later version (latest 2.3.4) | 5 d ago |
Read the published descriptions
- CVE-2026-107757, 14 Oct 2026
- The Gallery Custom Links plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'display_name (profile.php) + comment (wp-comments-post.php)' parameter in all versions up to, and including, 2.3.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploit requires two coordinated inputs from the same authenticated attacker: an HTML comment payload stored in a comment body (preserved verbatim by WordPress comment kses) and a matching simple_html_dom noise key placed in the attacker's display_name (which survives esc_attr() intact), with substitution occurring after both filters have run during the plugin's default-on output-buffering pass over the full rendered page. CVE record
What to do if you run Gallery Custom Links
If you run Gallery Custom Links, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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