Meow Lightbox: known security problems
2 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 2 known security problems on this page. Each one has a fixed version. Updating to version 5.6.5 or newer covers every fixed problem listed here.
Based on public reports. Check the plugin’s changelog. Watchfox AI may be wrong.
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A stranger could plant harmful code that runs for your visitors or admins
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.6.4
- Fixed in
- 5.6.5
- What to do
- If your site has an affected version, update Meow Lightbox to version 5.6.5 or newer.
- Official ID
- CVE-2026-109234
- Report title
- Meow Lightbox <= 5.6.4 - Unauthenticated Stored Cross-Site Scripting via HTML Parser Quote-Metadata Desynchronization
- First reported
- Sources
- Wordfence, seen
Anyone with an account on your site, even a basic one could plant harmful code that runs for your visitors or admins
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.6.2
- Fixed in
- 5.6.3
- What to do
- If your site has an affected version, update Meow Lightbox to version 5.6.3 or newer.
- Official ID
- CVE-2026-107756
- Report title
- Meow Lightbox <= 5.6.2 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Output Buffering parser noise substitution via comment body + display_name
- First reported
- Sources
- Wordfence, seen
Where this comes from
We collect these reports from public security sources and rewrite them in plain words. Each problem shows its sources and the date we first saw it. This page never says whether your own site is affected: only a check of your site’s versions can tell.
Get an email when your site is affected.
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