Vulnerability · Published May 21, 2026 · Assigned by VulnCheck

CVE-2026-48221Open ISES Tickets < 3.44.2 Reflected XSS via ics205a.php frm_add_str Parameter

Medium 5.4

In plain English

A medium-severity cross-site scripting in Tickets from Open ISES. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.2%top 88.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Open ISES Tickets before 3.44.2 contains a reflected cross-site scripting vulnerability in ics205a.php that allows authenticated attackers to inject arbitrary JavaScript by passing an unsanitized value through the frm_add_str POST parameter directly into an HTML form hidden input value attribute. Attackers can craft a malicious request containing a JavaScript payload that executes in the victim's browser when the response is rendered.

Affected products (as reported)

Vendor	Product	Versions
Open ISES	Tickets	0 – before 3.44.2

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

In plain English

Official description

Affected products (as reported)

References