CVE-2025-56421 LimeSurvey is vulnerable to SQL injection
Remote attackers can exploit SQL injection in LimeSurvey to obtain sensitive database information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-56421?
CVE-2025-56421 is a high-severity SQL injection vulnerability in Limesurvey Limesurvey, published on 10 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SQL Injection vulnerability in LimeSurvey before v.6.15.4+250710 allows a remote attacker to obtain sensitive information from the database.
Weakness: CWE-89
Which versions are affected by CVE-2025-56421?
2 open source packages ship an affected version, including limesurvey/limesurvey. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
limesurvey/limesurvey Packagist | All versions | 6.15.4 |
limesurvey/limesurvey Packagist | All versions | 6.15.4 |
Products include Limesurvey Limesurvey.
How do I fix CVE-2025-56421?
Upgrade limesurvey/limesurvey to 6.15.4 or later.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2025-56421 being exploited?
There is no known exploitation of CVE-2025-56421 in the wild and no public exploit code.
Other vulnerabilities in Limesurvey Limesurvey
Sources
Also known as GHSA-rccq-2fxq-7x3h.