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TI-2026-28787 Aliases CVE-2026-39918GHSA-chhv-69jq-q952

Vvveb < 1.0.8.1 Code Injection via Installation Endpoint

Priority MEDIUM 49CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-94.

Summary

Vvveb prior to 1.0.8.1 contains a code injection vulnerability in the installation endpoint where the subdir POST parameter is written unsanitized into the env.php configuration file without escaping or validation. Attackers can inject arbitrary PHP code by breaking out of the string context in the define statement to achieve unauthenticated remote code execution as the web server user.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00665 52nd percentileScored 2026-11-07
Fix Fixed Vvveb (givanz): 1.0.8.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
givanzVvvebbefore 1.0.8.11.0.8.1Patch availableCNA
  • Vvveb Vendorgivanz Affected before 1.0.8.1 Fixed in 1.0.8.1 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:vvveb:vvveb:*:*:*:*:*:*:*:*——givanz
  • cpe:2.3:a:vvveb:vvveb:*:*:*:*:*:*:*:* Versions — — ·givanz

Remediation

  • Fix · CNA Vvveb (givanz) Fixed in 1.0.8.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    givanz Vvveb 1.0.8.1

    4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-26704 Vvveb < 1.0.8.1 Stored XSS via Media Upload and RenamePriority MEDIUM 56
    • TI-2026-26702 Vvveb < 1.0.8.1 Privilege Escalation via admin/user/savePriority MEDIUM 40
    • TI-2026-26703 Vvveb < 1.0.8.1 SSRF via oEmbedProxyPriority LOW 36
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-39918
  2. 2026-10-03 Alias added: GHSA-chhv-69jq-q952

References

Patch 1

Other 1

  • TI-2026-83112 Authentication bypass in Vvveb password reset enables account takeover CVSS 3.1CRITICAL 9.8
  • TI-2025-28570 An issue in vvveb CMS v.1.0.6 allows a remote attacker to execute arbitrary code via the Plugin mechanism. CVSS 3.1CRITICAL 9.8
  • TI-2024-18282 givanz VvvebJs 1.7.2 is vulnerable to Insecure File Upload. CVSS 3.1CRITICAL 9.8
  • TI-2024-16622 givanz VvvebJs 1.7.2 suffers from a File Upload vulnerability via save.php. CVSS 3.1CRITICAL 9.8
  • TI-2024-16621 A critical vulnerability has been identified in givanz VvvebJs 1.7.2, which allows both… CVSS 3.1CRITICAL 9.1
  • TI-2026-83115 Authenticated IDOR in Vvveb lets admins steal other admins' API tokens CVSS 3.1CRITICAL 9.0
See all 65 →

Sources

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