What is CVE-2025-70797?

CVE-2025-70797 is a medium-severity vulnerability in Limesurvey, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-09.

How severe is CVE-2025-70797?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Limesurvey

CVE-2025-70797

Cross Site Scripting vulnerability in Limesurvey v.6.15.20+251021 allows a remote attacker to execute arbitrary code via the Box[title] and box[url] parameters.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (20.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Limesurvey — versions 6.15.20
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Issue Tracking)

Frequently asked questions

What is CVE-2025-70797?: CVE-2025-70797 is a medium-severity vulnerability in Limesurvey, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-09.
How severe is CVE-2025-70797?: Medium severity. CVSS v3 base score is 6.1 out of 10.