CVE-2026-50740 — MEDIUM (6.1)

Vulnerability Description

A missing sanitisation vulnerability of user input in the zone-include.php script exists in Revive Adserver 6.0.7 and earlier. A low‑privileged user could exploit the refresh parameter of the iFrame invocation tag to perform reflected XSS attacks.

CVSS Score

6.1

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-79

References

https://hackerone.com/reports/3780806

FAQ

What is CVE-2026-50740?

CVE-2026-50740 is a vulnerability with a CVSS score of 6.1 (MEDIUM). A missing sanitisation vulnerability of user input in the zone-include.php script exists in Revive Adserver 6.0.7 and earlier. A low‑privileged user could exploit the refresh parameter of the iFrame i...

How severe is CVE-2026-50740?

CVE-2026-50740 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-50740?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.