CVE-2025-55063Network attack vector

Privileged browser script execution against interacting users

Published Dec 29, 2025 · Updated Dec 29, 2025

Cross-site scripting in Priority Software Priority Web 23.0 and earlier allows remote authenticated users to execute script in users' browsers. The CNA has not disclosed the affected component, input field, rendering path, or incorrect neutralization operation. Exploitation requires high privileges and user interaction; published impact is limited to confidentiality and integrity effects.

CVSS severity4.8
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

Cross-site scripting in Priority Software Priority Web 23.0 and earlier allows remote authenticated users to execute script in users' browsers. The CNA has not disclosed the affected component, input field, rendering path, or incorrect neutralization operation. Exploitation requires high privileges and user interaction; published impact is limited to confidentiality and integrity effects.

The record

CVE
CVE-2025-55063
Published
Dec 29, 2025
Updated
Dec 29, 2025
Vendor
Priority Software
Product
Priority Web
Classifications
CWE-79, T1203
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Dec 29, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 29, 2025Record 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=23.0 and below

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Priority Software · Priority Webversion=23.0 and below

Published CVSS scores

4.8Israel National Cyber DirectorateCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

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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