Vulnerability · Published Oct 13, 2026 · Assigned by VulnCheck

CVE-2026-63157Omnispace Agora Project < 26.10.0 Stored XSS via Links Module

Medium 5.4

In plain English

A medium-severity cross-site scripting in Agora Project from Omnispace. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.2%top 87.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Omnispace Agora Project before 26.10.0 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts by submitting an unsanitized link address (adress) field that is echoed into an onclick event-handler attribute without neutralizing quotes. Attackers can store a crafted payload through the Links module that executes in the browser of any user viewing the links list, enabling session hijacking or further client-side compromise.

Affected products (as reported)

Vendor	Product	Versions
Omnispace	Agora Project	0 – before 26.10.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References

Fixed Release Tag release-notes, patch
Project Webpage product
VulnCheck Advisory: Omnispace Agora Project < 26.10.0 Stored XSS via Links Module third-party-advisory