Reflected Cross-Site Scripting Vulnerability in Open ISES Tickets by Open ISES
CVE-2026-48221

5.1MEDIUM

Key Information:

Vendor

Open Ises

Status
Tickets
Vendor
CVE Published:
21 May 2026

What is CVE-2026-48221?

An identified reflected cross-site scripting vulnerability allows authenticated attackers of Open ISES Tickets to inject arbitrary JavaScript. This occurs through the frm_add_str POST parameter, where an unsanitized value is inserted into an HTML form's hidden input attribute. Attackers can exploit this flaw by crafting a malicious request that executes a JavaScript payload in the victim's browser when the server's response is rendered.

Affected Version(s)

Tickets 0 < 3.44.2

References

https://github.com/openises/tickets/releases/tag/v3.44.2
release-notes
https://github.com/openises/tickets/commit/ecfeb406a01676...
patch
https://www.vulncheck.com/advisories/open-ises-tickets-re...
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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