CVE-2026-48226Network attack vector

Reflected XSS via unencoded hidden-input values

Published May 21, 2026 · Updated May 21, 2026

Reflected XSS in Open ISES Tickets CAD before 3.44.2 allows remote authenticated users to execute JavaScript via crafted POST data. os_watch.php writes the ref and mode_orig POST values into hidden-input value attributes without HTML attribute encoding. A valid application session and a victim who renders the crafted response are required; the script runs only in the victim's browser context.

CVSS severity5.1
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Open ISES Tickets CAD before 3.44.2 allows remote authenticated users to execute JavaScript via crafted POST data. os_watch.php writes the ref and mode_orig POST values into hidden-input value attributes without HTML attribute encoding. A valid application session and a victim who renders the crafted response are required; the script runs only in the victim's browser context.

The record

CVE
CVE-2026-48226
Published
May 21, 2026
Updated
May 21, 2026
Vendor
Open ISES
Product
Tickets CAD
Classifications
CWE-79, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 21, 2026CVE publishedPublication date reported by the CVE source.
  2. May 21, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <3.44.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Open ISES · Tickets CADversion=0 <3.44.2

Published CVSS scores

5.4NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.1VulnCheckCVSS: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 describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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