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CVE-2026-48219· NVD / CVE Program· CNA VulnCheck

Open ISES Tickets < 3.44.2 Reflected XSS via ics202.php frm_add_str Parameter

Open ISES Tickets before 3.44.2 contains a reflected cross-site scripting vulnerability in ics202.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.

MediumCVSS 5.1 · v4.0—No exploit Fix available
Published
May 21, 2026
Updated
Jul 28, 2026
EPSS
0.3% · 20th percentile
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Report tools

JSON

Action score

20

Monitor

Low priority for now.

CVSS
20 / 40 · 5.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · VulnCheck
5.1
NVD has not scored this yet; the score shown is the CNA’s.

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulnCheck). Independent of NVD's CPE analysis and usually ahead of it.

  • Open ISES Tickets

    • before 3.44.2affected · semver

Same product

open ises: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-48242Open ISES Tickets < 3.44.2 Hardcoded MySQL Database Credentials in import_mdb.php
    36Monitor
  • CVE-2026-48241Open ISES Tickets < 3.44.2 Hardcoded MySQL Database Credentials in loader.php
    36Monitor
  • CVE-2026-48235Open ISES Tickets < 3.44.2 SQL Injection in incs/remotes.inc.php via External GPS Tracker Data
    35Monitor
  • CVE-2026-48249Open ISES Tickets < 3.44.2 Disabled TLS Certificate Verification in rm/incs/mobile_login.inc.php
    32Monitor
  • CVE-2026-48248Open ISES Tickets < 3.44.2 Disabled TLS Certificate Verification in incs/login.inc.php
    32Monitor
  • CVE-2026-48247Open ISES Tickets < 3.44.2 Disabled TLS Certificate Verification in incs/functions.inc.php
    32Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Open ISES Tickets3.44.2Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-482170 days apartOpen ISES Tickets < 3.44.2 Reflected XSS via delete_module.php Multiple POST Parameters
    20Monitor
  • CVE-2026-482180 days apartOpen ISES Tickets < 3.44.2 Reflected XSS via icons/buttons/landb.php frm_name and frm_id Parameters
    20Monitor
  • CVE-2026-482200 days apartOpen ISES Tickets < 3.44.2 Reflected XSS via ics205.php frm_add_str Parameter
    20Monitor
  • CVE-2026-482210 days apartOpen ISES Tickets < 3.44.2 Reflected XSS via ics205a.php frm_add_str Parameter
    20Monitor
  • CVE-2026-482220 days apartOpen ISES Tickets < 3.44.2 Reflected XSS via ics213.php frm_add_str Parameter
    20Monitor
  • CVE-2026-482300 days apartOpen ISES Tickets < 3.44.2 Reflected XSS via ticketsmdb_import.php Multiple POST Parameters
    20Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
A
Scope
X

Weakness class (CWE)

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

CVSS vector

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvd-secondary

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

The bug in code

The whole CWE-79 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
commentEl.innerHTML = comment.body;

Fixed

ts
commentEl.textContent = comment.body;

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

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Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records