CVE-2026-48221

5.1 mediumEPSS 0.2%

Medium (5.1). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.1 medium

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

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-05-21
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

References

https://github.com/openises/tickets/commit/ecfeb406a016766cae81c749e14b5145a9f2dbff
https://github.com/openises/tickets/releases/tag/v3.44.2
https://www.vulncheck.com/advisories/open-ises-tickets-reflected-xss-via-ics205a-php-frm-add-str-parameter

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