CVE-2026-63157Network attack vectorHinoki check available

Stored XSS via unescaped link event-handler attribute

Published Oct 13, 2026 · Updated Oct 13, 2026

Stored XSS in Omnispace Agora-Project before 26.10.0 allows remote authenticated users to run scripts through the Links module. The module places the stored adress field into an onclick event-handler attribute without neutralizing quotes, allowing link data to become executable browser content. Exploitation requires an account able to submit links and a victim viewing the affected list; the reported consequence is session hijacking or other client-side compromise, not server-side execution.

CVSS severityUnavailable
Unscored
EPSS probability0.22%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Stored XSS in Omnispace Agora-Project before 26.10.0 allows remote authenticated users to run scripts through the Links module. The module places the stored adress field into an onclick event-handler attribute without neutralizing quotes, allowing link data to become executable browser content. Exploitation requires an account able to submit links and a victim viewing the affected list; the reported consequence is session hijacking or other client-side compromise, not server-side execution.

The record

CVE
CVE-2026-63157
Published
Oct 13, 2026
Updated
Oct 13, 2026
Vendor
Omnispace
Product
Agora-Project
Classifications
T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 13, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 13, 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=0 <26.10.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Omnispace · Agora-Projectversion=0 <26.10.0

Published CVSS scores

No CVSS assessment is available in this record.

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.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1059.007JavaScript

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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