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CVE-2025-51857

Good to know:

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Date: August 4, 2025

The reconcile method in the AttachmentReconciler class of the Halo system v.2.20.18LTS and before is vulnerable to XSS attacks.

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2025-51857
http://halo.com
https://gist.github.com/this1slwl/d714514635119159607c14faebbbcf20
https://github.com/halo-dev/halo
https://www.mend.io/vulnerability-database/CVE-2025-51857

Severity Score

Weakness Type (CWE)

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

CWE-79

Top Fix

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Upgrade Version

Upgrade to version https://github.com/halo-dev/halo.git - no_fix

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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