Is CVE-2023-45727 actively exploited?

CVE-2023-45727 has no public evidence of in-the-wild exploitation as of 2025-10-24.

What is the CVSS score for CVE-2023-45727?

CVE-2023-45727 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

How do I patch CVE-2023-45727?

Patch guidance is available from northgrid security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-45727.

Fix CVE-2023-45727 - HIGH northgrid proself

Q: Which products are affected by CVE-2023-45727?

4 products: northgrid proself, northgrid proself, northgrid proself, northgrid proself.

Description

Proself Enterprise/Standard Edition Ver5.62 and earlier, Proself Gateway Edition Ver1.65 and earlier, and Proself Mail Sanitize Edition Ver1.08 and earlier allow a remote unauthenticated attacker to conduct XML External Entity (XXE) attacks. By processing a specially crafted request containing malformed XML data, arbitrary files on the server containing account information may be read by the attacker.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: CWE-611 · XML External Entity (XXE)CWE-611 · XML External Entity (XXE)

Metadata

Primary Vendor: NORTHGRID
Published: 10/18/2023
Last Modified: 10/24/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2023-45727

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary