Read the docs

LimeSurvey Community Edition 7.4.0 - Stored XSS through the Date/Time date_min question attribute

Priority HIGH 67CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Active
Attack complexity
Low
Attack requirements
Present
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

An authenticated LimeSurvey Community Edition 7.4.0 user with the global Surveys: create permission can store a JavaScript-breaking value in the date_min attribute of a Date/Time question. When another user renders the affected question, LimeSurvey inserts the stored value into a single-quoted inline JavaScript literal without JavaScript-context encoding.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00269 19th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LimeSurveyLimeSurvey7.4.0—No fix listedCNA
  • LimeSurvey VendorLimeSurvey Affected 7.4.0 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:limesurvey:limesurvey:*:*:*:*:*:*:*:*——LimeSurvey
  • cpe:2.3:a:limesurvey:limesurvey:*:*:*:*:*:*:*:* Versions — — ·LimeSurvey

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-102626
  2. 2026-10-03 Alias added: GHSA-wv52-h9cj-cvvw

References

  • TI-2020-09194 LimeSurvey before 4.1.12+200324 contains a path traversal vulnerability in… CVSS 3.1CRITICAL 9.8
  • TI-2025-24280 LimeSurvey 2.0+ - 2.06+ Unauthenticated Arbitrary File Download via Serialized Backup Payload CVSS 4.0HIGH 8.7
  • TI-2024-28662 An issue in the js_localize.php function of LimeSurvey v6.6.2 and before allows attackers… CVSS 3.1HIGH 8.8
  • TI-2024-26167 Lime Survey <= 6.5.12 is vulnerable to Cross Site Request Forgery (CSRF). CVSS 3.1HIGH 8.8
  • TI-2026-45174 LimeSurvey Community Edition 7.0.5 - Reflected XSS in HTML editor popup CVSS 4.0HIGH 8.5
  • TI-2026-61986 LimeSurvey Community Edition 7.0.14 - Reflected XSS through unescaped LSS survey-import warnings CVSS 4.0HIGH 7.4
See all 96 →

Sources