CVE-2026-41936

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

8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-26)

CWE

CWE-611

Published

2026-05-06

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

References

• 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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