SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-23518

Cross Site Scripting (XSS) vulnerability in UltimateKode Neo Billing - Accounting, Invoicing And CRM Software up to version 3.5 which allows remote attackers to inject arbitrary web script or HTML.

EXPLOITMEDIUM 5.4EPSS 2.00%

Does this matter?

A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 2.0%. Treat it as high on anything reachable from the internet.

Description

Cross Site Scripting (XSS) vulnerability in UltimateKode Neo Billing - Accounting, Invoicing And CRM Software up to version 3.5 which allows remote attackers to inject arbitrary web script or HTML.

CVSS 3.1
5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
2.00% probability · 81th percentile
Public exploits
1 in Exploit-DB · first 19 August 2019
CISA KEV
Not listed
Weakness
CWE-79
Affected
ultimatekode/neo billing
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 2.00%26 October 202626 October 2026

EPSS 2.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-47289source ↗Neo Billing 3.5 - Persistent Cross-Site Scriptingphp · n1x_webapps19 August 2019no

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.