CVE-2025-43567Network attack vector

Session takeover via reflected form-field scripts

Published May 13, 2025 · Updated Feb 26, 2026

Reflected XSS in Adobe Connect 12.8 and earlier allows remote attackers to take over sessions through malicious form-field input. Affected form fields reflect attacker-controlled script content into generated pages without neutralizing it. Exploitation requires a victim to browse to a page containing the crafted field, where the browser executes the injected JavaScript in the Connect origin.

CVSS severity9.3
Critical
EPSS probability0.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Reflected XSS in Adobe Connect 12.8 and earlier allows remote attackers to take over sessions through malicious form-field input. Affected form fields reflect attacker-controlled script content into generated pages without neutralizing it. Exploitation requires a victim to browse to a page containing the crafted field, where the browser executes the injected JavaScript in the Connect origin.

The record

CVE
CVE-2025-43567
Published
May 13, 2025
Updated
Feb 26, 2026
Vendor
Adobe
Product
Adobe Connect
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 13, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=12.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Adobe · Adobe Connectversion=0 <=12.8

Published CVSS scores

9.3AdobeCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/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.

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
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.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo