CVE-2018-18753
Typecho V1.1 allows remote attackers to send shell commands via base64-encoded serialized data,...
Typecho V1.1 allows remote attackers to send shell commands via base64-encoded serialized data, as demonstrated by 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
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Typecho V1.1 allows remote attackers to send shell commands via base64-encoded serialized data, as demonstrated by SSRF.
- Record
CVE-2018-18753- 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
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-918
- Updated
- 2026-11-02
CVE List No score
Typecho V1.1 allows remote attackers to send shell commands via base64-encoded serialized data, as demonstrated by SSRF.
- Record
CVE-2018-18753- Updated
- 2026-11-02
EUVDEUVD-2018-10469 No score
Typecho V1.1 allows remote attackers to send shell commands via base64-encoded serialized data, as demonstrated by SSRF.
- Record
EUVD-2018-10469- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cw4f-c442-gqwh
Typecho V1.1 allows remote attackers to send shell commands via base64-encoded serialized data,...
Typecho V1.1 allows remote attackers to send shell commands via base64-encoded serialized data, as demonstrated by SSRF.
- Record
GHSA-cw4f-c442-gqwh- 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-918
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-18753 is a critical vulnerability (CVSS 9.8) in Typecho, published October 28, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.49%, the 89th percentile. No source names a fixed version.