LimeSurvey 6.15.21
29 October 2025
LimeSurvey version 6.15.21 is now available (security release).
Upgrading to LimeSurvey 6.15.21
LimeSurvey 6.15.21 can be upgraded to (or installed) using any of Installatron's products. Use Installatron's optional Automatic Update feature to automatically apply LimeSurvey updates as new versions are released, or use Installatron's Clone feature to duplicate an existing LimeSurvey install to test the 6.15.21 upgrade prior to applying it live. Get started managing your LimeSurvey installations with Installatron
What's New in LimeSurvey 6.15.21
Security
- #20068: [security] LDAP Injection Vulnerability in AuthLDAP (#4250) (Denis Chenu)
Bug Fixes and Changes
- Unresponsive react (lajosarpad)
- DB version update not possible with self-registering plugins (Carsten Schmitz)
- #20307: Translate 'Create new...' in LayoutHelper.php. (#4483) (Richard)
- #20287: Fix Attribute category being shown in Question settings (#4470) (Richard)
- #20276: Placeholder fields on email templates for invitations/reminder are not populated (Carsten Schmitz)
- #20161: Stored Cross-Site Scripting (SXSS) in admin portal (#4356) (Gabriel Jenik)
- #20114: queXML export doesn't replace EM placeholders (#4460) (Adam Zammit)
- #20089: HTML shown in notification after creating a user through User management (#4362) (Denis Chenu)
- #20056: debug = 1 still send deprecated error (#4363) (Denis Chenu)