CVE-2025-12563Network attack vector

Subscriber-level MP4 upload via incorrect capability check

Published Nov 6, 2025 · Updated Nov 6, 2025

Missing authorization in Adenion GmbH Blog2Social 8.6.0 and earlier allows remote authenticated users to upload MP4 files through WordPress. The uploadVideo() function applies the wrong WordPress capability check, so Subscriber-level accounts can write MP4 files into the dated wp-content/uploads directory. The upload is limited to MP4 content and changes site storage; the published assessment reports no confidentiality or availability impact.

CVSS severity4.3
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Adenion GmbH Blog2Social 8.6.0 and earlier allows remote authenticated users to upload MP4 files through WordPress. The uploadVideo() function applies the wrong WordPress capability check, so Subscriber-level accounts can write MP4 files into the dated wp-content/uploads directory. The upload is limited to MP4 content and changes site storage; the published assessment reports no confidentiality or availability impact.

The record

CVE
CVE-2025-12563
Published
Nov 6, 2025
Updated
Nov 6, 2025
Vendor
Adenion GmbH
Product
Blog2Social
Classifications
CWE-862, T1105
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 6, 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=* <=8.6.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Adenion GmbH · Blog2Socialversion=* <=8.6.0

Published CVSS scores

4.3WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1105Ingress Tool Transfer

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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