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Vulnerability record · CVE-2026-41936 · published 6 May 2026

CVE-2026-41936: XML external entity (XXE) vulnerability

Vvveb before version 1.0.8.2 contains an XML external entity (XXE) injection vulnerability in the admin Tools/Import feature that allows authenticated site_admin users to read arbitrary files and modify database records. Attackers can exploit the XML parser configuration in system/import/xml.php to inject file:// or php://filter entity references that are resolved and persisted into the application database, enabling arbitrary file disclosure and administrator password hash overwriting for privilege escalation.

8.6 CVSS 4.0 High EPSS 0.49% · top 60.7% CWE-611 · XML external entity (XXE) Deferred
8.6CVSS 4.0 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
17 Jun 2026Last modified by NVD

Description

Vvveb before version 1.0.8.2 contains an XML external entity (XXE) injection vulnerability in the admin Tools/Import feature that allows authenticated site_admin users to read arbitrary files and modify database records. Attackers can exploit the XML parser configuration in system/import/xml.php to inject file:// or php://filter entity references that are resolved and persisted into the application database, enabling arbitrary file disclosure and administrator password hash overwriting for privilege escalation.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/givanz/Vvveb/commit/86f7128a18edebe0ff47e3855558467eb0ef9106
https://github.com/givanz/Vvveb/releases/tag/1.0.8.2
https://github.com/givanz/Vvveb/security/advisories/GHSA-rfxr-4xpm-wrp7
https://www.vulncheck.com/advisories/vvveb-xml-external-entity-injection-via-import
https://github.com/givanz/Vvveb/security/advisories/GHSA-rfxr-4xpm-wrp7

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Source: NIST National Vulnerability Database (record CVE-2026-41936), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.