CVE-2026-63171: medium-severity vulnerability in Omnispace Agora Project
Omnispace Agora Project < 26.10.0 Stored XSS via Category Description
Published · Updated
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.1epss 0.2%
exploitation probability
0.2%top 88% of all CVEs
observed exploitation
nono source reports it
Omnispace Agora Project before 26.10.0 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious script by submitting a crafted forum category description containing a double-quote character that breaks out of an HTML input value attribute. Attackers can exploit the HTMLPurifier configuration that preserves double-quotes to escape the attribute context and execute arbitrary script in the browser of users viewing the forum category.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Affected products
Omnispace · Agora ProjectRelated CVEs — Omnispace Agora Project
In the same product, most dangerous first.
CVE-2026-63162HIGHOmnispace Agora Project < 26.10.0 Path Traversal via tmpFolderName ParameterEPSS 0.7%CVE-2026-63146CRITICALOmnispace Agora Project < 26.10.0 PHP Code Injection via config.inc.phpEPSS 0.7%CVE-2026-63154HIGHOmnispace Agora Project < 26.10.0 SQL Identifier Injection via agoraFields[]EPSS 0.4%CVE-2026-63158CRITICALOmnispace Agora Project < 26.10.0 Pass-the-Hash Authentication Bypass via CookiesEPSS 0.4%CVE-2026-63161HIGHOmnispace Agora Project < 26.10.0 Session Fixation via AuthenticationEPSS 0.4%CVE-2026-63149CRITICALOmnispace Agora Project < 26.10.0 Predictable Default Password via uniqid()EPSS 0.4%