What is CVE-2017-18358?

CVE-2017-18358 is a medium-severity vulnerability in Limesurvey, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-01-15.

How severe is CVE-2017-18358?

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

XSS in Limesurvey

CVE-2017-18358

LimeSurvey before 2.72.4 has Stored XSS by using the Continue Later (aka Resume later) feature to enter an email address, which is mishandled in the admin panel.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-01-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (59.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Limesurvey

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

blog.ripstech.com/2018/limesurvey-persistent-xss-to-code-execution/ (Exploit, Third Party Advisory)
github.com/LimeSurvey/LimeSurvey/commit/700b20e2ae918550bfbf283f433f07622480978b (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2017-18358?: CVE-2017-18358 is a medium-severity vulnerability in Limesurvey, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-01-15.
How severe is CVE-2017-18358?: Medium severity. CVSS v3 base score is 6.1 out of 10.