CVE-2019-15640
CVE-2019-15640 is a high-severity vulnerability in Limesurvey with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Limesurvey
- Published:
- Last modified:
Description
Limesurvey before 3.17.10 does not validate both the MIME type and file extension of an image.
Frequently asked questions
- What is CVE-2019-15640?
- Limesurvey before 3.17.10 does not validate both the MIME type and file extension of an image.
- How severe is CVE-2019-15640?
- CVE-2019-15640 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2019-15640 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-15640?
- CVE-2019-15640 affects Limesurvey. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-15640?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-15640 published?
- CVE-2019-15640 was published on 2019-08-26 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:limesurvey:limesurvey:*:*:*:*:*:*:*:*
More vulnerabilities in Limesurvey
- CVE-2025-56422 — Critical (CVSS 9.8): A deserialization vulnerability in LimeSurvey before v6.15.0+250623 allows a remote attacker to execute arbitrary code…
- CVE-2025-41375 — Critical (CVSS 9.8): SQL Injection vulnerability in Limesurvey v2.65.1+170522. This vulnerability allows an attacker to retrieve, create,…
- CVE-2022-48008 — Critical (CVSS 9.8): An arbitrary file upload vulnerability in the plugin manager of LimeSurvey v5.4.15 allows attackers to execute…
- CVE-2019-25019 — Critical (CVSS 9.8): LimeSurvey before 4.0.0-RC4 allows SQL injection via the participant model.
- CVE-2020-11455 — Critical (CVSS 9.8): LimeSurvey before 4.1.12+200324 contains a path traversal vulnerability in…
- CVE-2019-16184 — Critical (CVSS 9.8): A CSV injection vulnerability was found in Limesurvey before 3.17.14 that allows survey participants to inject commands…
All CVEs affecting Limesurvey →
Other CWE-20 (Improper Input Validation) vulnerabilities
- CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
- CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
- CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…
Browse all CWE-20 (Improper Input Validation) vulnerabilities →