CVE-2025-63238: A Reflected Cross-Site Scripting (XSS) affects LimeSurvey versions prior to 6.15.11+250909, due to the lack of

Q: How do I fix CVE-2025-63238?

limesurvey: upgrade to 6.15.12. Exact commands for each OS are on this page.

Q: Is CVE-2025-63238 being exploited?

CVE-2025-63238 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-63238 affect?

CVE-2025-63238 affects limesurvey. Severity is medium (CVSS 6.1). A Reflected Cross-Site Scripting (XSS) affects LimeSurvey versions prior to 6.15.11+250909, due to the lack of validation of gid parameter in getInstance() function in application/models/QuestionCreate.php. This allows an attacker to craft

Q: How urgent is CVE-2025-63238?

Priority 30/100. Public exploit reference

Routine

MEDIUM 6.1UPGRADE

CVE-2025-63238 is a medium-severity flaw (CVSS 6.1) affecting limesurvey. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Reflected Cross-Site Scripting (XSS) affects LimeSurvey versions prior to 6.15.11+250909, due to the lack of validation of gid parameter in getInstance() function in application/models/QuestionCreate.php. This allows an attacker to craft a malicious URL and compromise the logged in user.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 87%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-04-09
Last modified	2026-10-15

Publisher (CNA): MITRE · Vendor: limesurvey

Last updated 2026-10-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-09 18:16 UTCPublished CVE record published
2026-10-15 12:10 UTCUpdated Record last modified

limesurvey limesurvey UPGRADE

Affected: < 6.15.12

Fixed in: 6.15.12

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy limesurvey || rpm -q limesurvey || limesurvey --version

2. UPGRADE to 6.15.12 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade limesurvey

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade limesurvey

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-63238?

limesurvey: upgrade to 6.15.12. Exact commands for each OS are on this page.

Is CVE-2025-63238 being exploited?

CVE-2025-63238 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-63238 affect?

CVE-2025-63238 affects limesurvey. Severity is medium (CVSS 6.1). A Reflected Cross-Site Scripting (XSS) affects LimeSurvey versions prior to 6.15.11+250909, due to the lack of validation of gid parameter in getInstance() function in application/models/QuestionCreate.php. This allows an attacker to craft

How urgent is CVE-2025-63238?

Priority 30/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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