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TI-2018-13905 Aliases CVE-2018-19621GHSA-3p87-gqw8-4pf2

server/index.php?s=/api/teamMember/save in ShowDoc 2.4.2 has a CSRF that can add members to a team.

Priority LOW 29CWE-352Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Tampering
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-352.

Summary

server/index.php?s=/api/teamMember/save in ShowDoc 2.4.2 has a CSRF that can add members to a team.

Why it matters now

EPSS 0.00447 39th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—showdoc/showdoc (Packagist)up to 2.4.2—No fix listedGHSA-3p87-gqw8-4pf2
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • showdoc/showdoc (Packagist) Vendor— Affected up to 2.4.2 Fixed in — No fix listed GHSA-3p87-gqw8-4pf2

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:showdoc:showdoc:2.4.2:*:*:*:*:*:*:*2.4.2Vulnerablestar7th
  • cpe:2.3:a:showdoc:showdoc:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·star7th

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-19621
  2. 2026-10-03 Alias added: GHSA-3p87-gqw8-4pf2

References

Exploit 1

Advisory 1

Other 1

  • TI-2021-14768 Unrestricted File Upload in ShowDoc v2.9.5 allows remote attackers to execute arbitrary… CVSS 3.1CRITICAL 9.8
  • TI-2022-00287 SQL Injection in star7th/showdoc CVSS 3.1CRITICAL 9.8
  • TI-2021-18398 ShowDoc 2.8.3 ihas a file upload vulnerability, where attackers can use the vulnerability to obtain server permissions. CVSS 3.1CRITICAL 9.8
  • TI-2021-03036 Cross-Site Request Forgery (CSRF) in star7th/showdoc CVSS 3.1HIGH 8.8
  • TI-2021-02908 Cross-Site Request Forgery (CSRF) in star7th/showdoc CVSS 3.1HIGH 8.8
  • TI-2022-00334 Unrestricted Upload of File with Dangerous Type in star7th/showdoc CVSS 3.1HIGH 7.8
See all 40 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences