CVE-2018-19621
Showdoc CSRF Vulnerability
server/index.php?s=/api/teamMember/save in ShowDoc 2.4.2 has a CSRF that can add members to a team.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
server/index.php?s=/api/teamMember/save in ShowDoc 2.4.2 has a CSRF that can add members to a team.
- Record
CVE-2018-19621- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
CVE List No score
server/index.php?s=/api/teamMember/save in ShowDoc 2.4.2 has a CSRF that can add members to a team.
- Record
CVE-2018-19621- Updated
- 2026-11-02
EUVDEUVD-2022-2221 No score
server/index.php?s=/api/teamMember/save in ShowDoc 2.4.2 has a CSRF that can add members to a team.
- Record
EUVD-2022-2221- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3p87-gqw8-4pf2
Showdoc CSRF Vulnerability
server/index.php?s=/api/teamMember/save in ShowDoc 2.4.2 has a CSRF that can add members to a team.
- Record
GHSA-3p87-gqw8-4pf2- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
OSV
server/index.php?s=/api/teamMember/save in ShowDoc 2.4.2 has a CSRF that can add members to a team.
- Record
CVE-2018-19621- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-3p87-gqw8-4pf2
Showdoc CSRF Vulnerability
server/index.php?s=/api/teamMember/save in ShowDoc 2.4.2 has a CSRF that can add members to a team.
- Record
GHSA-3p87-gqw8-4pf2- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
showdoc/showdocPackagist |
through 2.4.2 | None known |
showdoc/showdocPackagist |
through 2.4.2, plus listed versions v1.0.0v1.0.1v1.0.2v1.0.3v1.0.4 Show 45 moreShow lessv1.0.5v1.1.0v1.1.1v1.1.3v1.1.4v1.1.5v1.2.0v1.2.1v1.2.2v1.2.3v1.2.4v1.2.5v1.2.6v1.3.0v1.3.1v1.3.3v1.3.4v1.3.5v1.3.6v1.3.7v1.3.8v1.4.0v1.4.1v1.4.2v1.4.3v1.4.4v1.4.5v1.4.6v1.4.7v1.5.0v1.5.1v1.5.2v1.5.3v1.6.0v1.6.1v1.6.2v1.7.0v1.7.1v1.7.2v1.8.0v1.8.1v1.8.2v1.8.3v1.8.4v1.8.5 |
None known |
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-2018-19621 is a medium vulnerability (CVSS 6.5) in Showdoc, published November 28, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.
References
Left out here: 26 versions. The JSON record has them.