CVE-2023-5798Public exploitNetwork attack vector

Editor-authenticated SSRF via unvalidated image proxy URL

Published Oct 26, 2023 · Updated Apr 23, 2025

SSRF in FastLine Media LLC Assistant before 1.4.4 allows remote authenticated users with Editor access to make server-side requests. The fl_asst_image_proxy handler passes its url query parameter to wp_remote_get() without validating the destination. Editor access is required, and a crafted request can make the WordPress server contact loopback or other network resources reachable from the host.

CVSS severity8.8
High
EPSS probability0.69%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SSRF in FastLine Media LLC Assistant before 1.4.4 allows remote authenticated users with Editor access to make server-side requests. The fl_asst_image_proxy handler passes its url query parameter to wp_remote_get() without validating the destination. Editor access is required, and a crafted request can make the WordPress server contact loopback or other network resources reachable from the host.

The record

CVE
CVE-2023-5798
Published
Oct 26, 2023
Updated
Apr 23, 2025
Vendor
FastLine Media LLC
Product
Assistant – Every Day Productivity Apps
Classifications
CWE-918, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 26, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 23, 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=0 <1.4.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

FastLine Media LLC · Assistant – Every Day Productivity Appsversion=0 <1.4.4

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1190Exploit Public-Facing Application

Public exploit references

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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