CVE-2026-1356Public exploitNetwork attack vector

Unauthenticated SSRF via unrestricted Pass Thru image URL

Published Feb 12, 2026 · Updated Feb 12, 2026

SSRF in Mateusz Gbiorczyk Converter for Media 6.5.1 and earlier allows remote attackers to access internal services via crafted image URLs. PassthruLoader::load_image_source passes the attacker-controlled src URL to cURL without restricting the destination to trusted site URLs. The Pass Thru loading mode must be reachable, after which requests originate from the WordPress server and can query or modify internal-service data.

CVSS severity4.8
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SSRF in Mateusz Gbiorczyk Converter for Media 6.5.1 and earlier allows remote attackers to access internal services via crafted image URLs. PassthruLoader::load_image_source passes the attacker-controlled src URL to cURL without restricting the destination to trusted site URLs. The Pass Thru loading mode must be reachable, after which requests originate from the WordPress server and can query or modify internal-service data.

The record

CVE
CVE-2026-1356
Published
Feb 12, 2026
Updated
Feb 12, 2026
Vendor
Mateusz Gbiorczyk
Product
Converter for Media
Classifications
CWE-918, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 12, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 12, 2026Record 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=* <=6.5.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Mateusz Gbiorczyk · Converter for Mediaversion=* <=6.5.1

Published CVSS scores

4.8WordfenceCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/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.

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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
Privilegesunauthenticated
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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