Photo Gallery by Supsystic – Image Gallery, Masonry, Albums & Lightbox vulnerabilities
Plugin slug gallery-by-supsystic · 6 known vulnerabilities · latest disclosed 2026-11-07 · WordPress.org page
Every listed vulnerability has a fix. Version 1.21.7 or later is not affected by any of them. If your site runs an older version, update it.
1 of 6 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Photo Gallery by Supsystic – Image Gallery, Masonry, Albums & Lightbox
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 4.3 | <= 1.21.6 | 1.21.7 | CVE-2026-119484 | 2026-11-07 | Advisory |
| Medium 4.3 | <= 1.21.0 | 1.21.1 | CVE-2026-102399 | 2026-09-30 | Advisory |
| Medium 4.4 | <= 1.16.3 | 1.17.0 | CVE-2026-24628 | 2026-07-22 | Advisory |
| Medium 5.5 | <= 1.15.16 | 1.15.17 | CVE-2024-29921 | 2024-03-25 | Advisory |
| Medium 5.4 | <= 1.15.5 | 1.15.6 | CVE-2021-36891 | 2022-06-15 | Advisory |
| High 8.8 | < 1.8.6 | 1.8.6 | CVE-2016-10918 | 2016-08-15 | Advisory |
Check if a site is affected
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Questions
Is the Photo Gallery by Supsystic – Image Gallery, Masonry, Albums & Lightbox plugin safe to use?
All 6 known issues are fixed in current versions (1.21.7 or later). Keeping it updated is what matters.
How do I check which version of Photo Gallery by Supsystic – Image Gallery, Masonry, Albums & Lightbox my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.