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CVE-2025-70094· NVD / CVE Program· CNA mitre

A cross-site scripting (XSS) vulnerability in the Generate Item Barcode function of OpenSourcePOS v3.4.1 allows attackers to execute arbitra

A cross-site scripting (XSS) vulnerability in the Generate Item Barcode function of OpenSourcePOS v3.4.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Item Category parameter.

MediumCVSS 6.5 · v3.1—No exploit No fix recorded
Published
Feb 13, 2026
Updated
Jun 17, 2026
EPSS
0.2% · 6th percentile
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Action score

26

Monitor

Low priority for now.

CVSS
26 / 40 · 6.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

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

VendorProduct
opensourceposopen source point of sale

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • opensourcepos open source point of sale3.4.1

Same product

opensourcepos: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-32888Open Source Point of Sale is Vulnerable to SQL Injection Through its Item Search Functionality
    35Monitor
  • CVE-2026-26746OpenSourcePOS 3.4.1 contains a Local File Inclusion (LFI) vulnerability in the Sales.php::getInvoice() function.
    35Monitor
  • CVE-2025-68434opensourcepos has Cross-Site Request Forgery vulnerability that leads to Unauthorized Administrator Creation
    35Monitor
  • CVE-2025-68147opensourcepos has a Cross-site Scripting vulnerability
    32Monitor
  • CVE-2025-63800The password change endpoint in Open Source Point of Sale 3.4.1 allows users to set their account password to an empty string due to missing
    30Monitor
  • CVE-2025-70093An issue in OpenSourcePOS v3.4.1 allows attackers to execute arbitrary code via returning a crafted AJAX response.
    29Monitor

Remediation

Which version to upgrade to

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

No fix version is recorded for this entry. Check the references for vendor advisories.

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-2025-6814758 days apartopensourcepos has a Cross-site Scripting vulnerability
    32Monitor
  • CVE-2025-700910 days apartA cross-site scripting (XSS) vulnerability in the Customers function of OpenSourcePOS v3.4.1 allows attackers to execute arbitrary web scrip
    26Monitor
  • CVE-2025-700950 days apartA cross-site scripting (XSS) vulnerability in the item management and sales invoice function of OpenSourcePOS v3.4.1 allows attackers to exe
    26Monitor
  • CVE-2025-6692458 days apartA Cross-site scripting (XSS) vulnerability in Create/Update Item Kit(s) in Open Source Point of Sale v3.4.1 allows remote attackers to injec
    24Monitor
  • CVE-2025-700921 days apartA cross-site scripting (XSS) vulnerability in the Item Kits function of OpenSourcePOS v3.4.1 allows attackers to execute arbitrary web scrip
    22Monitor
  • CVE-2026-3938053 days apartOpen Source Point of Sale has Stored XSS in Stock Location (Configuration)
    21Monitor

Chain candidates

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

—

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.
  • A low-privileged account is enough.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
low · the service can be disrupted

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
Low

Weakness class (CWE)

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

CVSS vector

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

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

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

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

All records