What’s Vulnerable › Vulnerabilities

CVE-2018-1000658

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-09-06 · updated 2026-06-17
• Weakness: CWE-434

Description

LimeSurvey version prior to 3.14.4 contains a file upload vulnerability in upload functionality that can result in an attacker gaining code execution via webshell. This attack appear to be exploitable via an authenticated user uploading a zip archive which can contains malicious php files that can be called under certain circumstances. This vulnerability appears to have been fixed in after commit 91d143230eb357260a19c8424b3005deb49a47f7 / version 3.14.4.

Affected products

• LimeSurvey: before 3.14.4 — fixed in 3.14.4

How to fix

Upgrade to a fixed version: LimeSurvey 3.14.4. Check the vendor advisory for mitigations.

References

• https://github.com/LimeSurvey/LimeSurvey/commit/20fc85edccc80e7e7f162613542792380c44446a
• https://github.com/LimeSurvey/LimeSurvey/commit/91d143230eb357260a19c8424b3005deb49a47f7
• https://github.com/LimeSurvey/LimeSurvey/commit/20fc85edccc80e7e7f162613542792380c44446a
• https://github.com/LimeSurvey/LimeSurvey/commit/91d143230eb357260a19c8424b3005deb49a47f7

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