CVE-2018-18737
An XXE issue was discovered in Douchat 4.0.4 because Data\notify.php calls simplexml_load_string....
An XXE issue was discovered in Douchat 4.0.4 because Data\notify.php calls simplexml_load_string. This can also be used for SSRF.
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
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An XXE issue was discovered in Douchat 4.0.4 because Data\notify.php calls simplexml_load_string. This can also be used for SSRF.
- Record
CVE-2018-18737- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
CVE List No score
An XXE issue was discovered in Douchat 4.0.4 because Data\notify.php calls simplexml_load_string. This can also be used for SSRF.
- Record
CVE-2018-18737- Updated
- 2026-11-02
EUVDEUVD-2018-10453 No score
An XXE issue was discovered in Douchat 4.0.4 because Data\notify.php calls simplexml_load_string. This can also be used for SSRF.
- Record
EUVD-2018-10453- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jvf2-rrq7-v6rf
An XXE issue was discovered in Douchat 4.0.4 because Data\notify.php calls simplexml_load_string....
An XXE issue was discovered in Douchat 4.0.4 because Data\notify.php calls simplexml_load_string. This can also be used for SSRF.
- Record
GHSA-jvf2-rrq7-v6rf- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
OSV
An XXE issue was discovered in Douchat 4.0.4 because Data\notify.php calls simplexml_load_string. This can also be used for SSRF.
- Record
CVE-2018-18737- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
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-2018-18737 is a high vulnerability (CVSS 7.5) in Douchat, published October 28, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.20%, the 68th percentile. No source names a fixed version.