CVE-2018-15601
Elefant CMS Improper Input Validation
apps/filemanager/handlers/upload/drop.php in Elefant CMS 2.0.3 performs a urldecode step too late in the "Cannot upload executable files" protection mechanism.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
apps/filemanager/handlers/upload/drop.php in Elefant CMS 2.0.3 performs a urldecode step too late in the "Cannot upload executable files" protection mechanism.
- Record
CVE-2018-15601- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
apps/filemanager/handlers/upload/drop.php in Elefant CMS 2.0.3 performs a urldecode step too late in the "Cannot upload executable files" protection mechanism.
- Record
CVE-2018-15601- Updated
- 2026-11-02
EUVDEUVD-2022-4741 No score
apps/filemanager/handlers/upload/drop.php in Elefant CMS 2.0.3 performs a urldecode step too late in the "Cannot upload executable files" protection mechanism.
- Record
EUVD-2022-4741- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pcf7-5974-vjh4
Elefant CMS Improper Input Validation
apps/filemanager/handlers/upload/drop.php in Elefant CMS 2.0.3 performs a urldecode step too late in the "Cannot upload executable files" protection mechanism.
- Record
GHSA-pcf7-5974-vjh4- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
apps/filemanager/handlers/upload/drop.php in Elefant CMS 2.0.3 performs a urldecode step too late in the "Cannot upload executable files" protection mechanism.
- Record
CVE-2018-15601- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-pcf7-5974-vjh4
Elefant CMS Improper Input Validation
apps/filemanager/handlers/upload/drop.php in Elefant CMS 2.0.3 performs a urldecode step too late in the "Cannot upload executable files" protection mechanism.
- Record
GHSA-pcf7-5974-vjh4- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
elefant/cmsPackagist |
through 2.0.3 | 2.0.4 |
elefant/cmsPackagist |
before 2.0.4 | 2.0.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-15601 is a critical vulnerability (CVSS 9.8) in Elefantcms, published August 21, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.63%, the 76th percentile. Fixed in elefant/cms 2.0.4.