CVE-2018-1000659
LimeSurvey version 3.14.4 and earlier contains a directory traversal in file upload that allows upload of webshell vulnerability in file upload functionality that can result in remote code execution as authenticated user.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
LimeSurvey version 3.14.4 and earlier contains a directory traversal in file upload that allows upload of webshell vulnerability in file upload functionality that can result in remote code execution as authenticated user. This attack appear to be exploitable via An authenticated user can upload a specially crafted zip file to get remote code execution. This vulnerability appears to have been fixed in after commit 72a02ebaaf95a80e26127ee7ee2b123cccce05a7 / version 3.14.4.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.55% probability · 89th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- limesurvey/limesurvey
- Source
- cve@mitre.org
EPSS 3.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/LimeSurvey/LimeSurvey/commit/72a02ebaaf95a80e26127ee7ee2b123cccce05a7Patch, Third Party Advisory
- https://github.com/LimeSurvey/LimeSurvey/commit/72a02ebaaf95a80e26127ee7ee2b123cccce05a7Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.