CVE-2025-12076Network attack vector

Reflected XSS via unescaped PostMessage parameter

Published Dec 13, 2025 · Updated Dec 13, 2025

Reflected XSS in XYZScripts Social Media Auto Publish 3.6.5 and earlier allows remote attackers to execute scripts via PostMessage. The plugin reflects the PostMessage parameter into a generated page without sufficient input sanitization or output escaping. Execution requires a user to follow a crafted link, after which the script runs in the affected site's browser context and can read or alter page data.

CVSS severity6.1
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in XYZScripts Social Media Auto Publish 3.6.5 and earlier allows remote attackers to execute scripts via PostMessage. The plugin reflects the PostMessage parameter into a generated page without sufficient input sanitization or output escaping. Execution requires a user to follow a crafted link, after which the script runs in the affected site's browser context and can read or alter page data.

The record

CVE
CVE-2025-12076
Published
Dec 13, 2025
Updated
Dec 13, 2025
Vendor
XYZScripts
Product
Social Media Auto Publish
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 13, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 13, 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=* <=3.6.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

XYZScripts · Social Media Auto Publishversion=* <=3.6.5

Published CVSS scores

6.1WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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 exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.001User Execution: Malicious Link

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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