CVE-2025-12460Known exploitationNetwork attack vector

Browser-context JavaScript execution via unsanitized HTML comments

Published Oct 31, 2025 · Updated Oct 31, 2025

Stored XSS in Afterlogic Aurora Corporate 9.8.3 and earlier allows remote attackers to run JavaScript when a user views a crafted email. MailSo Base HtmlUtils fails to sanitize event handlers and javascript URLs embedded inside HTML comments before rendering message content. Delivery requires no Aurora account, but exploitation requires a webmail user to view the message; the script runs in that browser context and can read or alter accessible webmail data.

CVSS severity5.3
Medium
EPSS probability0.41%
Next 30 days · Sep 16, 2026
Known exploitationReported
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

Stored XSS in Afterlogic Aurora Corporate 9.8.3 and earlier allows remote attackers to run JavaScript when a user views a crafted email. MailSo Base HtmlUtils fails to sanitize event handlers and javascript URLs embedded inside HTML comments before rendering message content. Delivery requires no Aurora account, but exploitation requires a webmail user to view the message; the script runs in that browser context and can read or alter accessible webmail data.

The record

CVE
CVE-2025-12460
Published
Oct 31, 2025
Updated
Oct 31, 2025
Vendor
Afterlogic
Product
Aurora Corporate
Classifications
CWE-79, CAPEC-592, T1204
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 31, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 31, 2025Record 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 <=9.8.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Afterlogic · Aurora Corporateversion=0 <=9.8.3

Published CVSS scores

5.3ESETCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1204User Execution

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.

Reported exploitation

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