Stored cross-site scripting in Omnispace Agora Project
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Omnispace Agora Project before 26.10.0 contains a stored cross-site scripting flaw (CWE-79). An authenticated attacker can upload a poll-response attachment with a crafted filename that bypasses input sanitization. The stored script then runs in the browsers of users who view the affected page.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
Omnispace Agora Project before 26.10.0 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject HTML/script markup by uploading a poll-response attachment with a malicious filename that bypasses the paramFilter sanitization applied to $_FILES. Attackers can submit a crafted filename that is stored and later rendered in components such as the dashboard controller (CtrlDashboard), executing arbitrary script in the browsers of users who view the affected page.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Omnispace Agora Project 26.10.0 fixes this issue.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA Agora Project (Omnispace) Fixed in 26.10.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Omnispace Agora Project 26.10.0
21 records Highest priority Priority MEDIUM 7 MEDIUM, 14 LOW
Other records, highest priority first
- TI-2026-73473 PHP code injection in Omnispace Agora Project configuration filePriority MEDIUM 49
- TI-2026-73487 Broken access control in Omnispace Agora Project lets attackers download filesPriority MEDIUM 44
- TI-2026-73486 Path traversal in Omnispace Agora Project lets attackers write filesPriority MEDIUM 41
Timeline
- 2026-10-13 Threatist record created from CVE-2026-63148
- 2026-10-13 Alias added: GHSA-4gw9-m5rw-6837
- 2026-10-15 CISA SSVC decision points changed
References
Other 1
More Omnispace vulnerabilities
- TI-2026-73473 PHP code injection in Omnispace Agora Project configuration file CVSS 4.0CRITICAL 9.3
- TI-2026-73487 Broken access control in Omnispace Agora Project lets attackers download files CVSS 4.0HIGH 8.7
- TI-2026-73486 Path traversal in Omnispace Agora Project lets attackers write files CVSS 4.0HIGH 8.7
- TI-2026-73484 Omnispace Agora Project stores remember-me tokens in plaintext CVSS 4.0CRITICAL 9.1
- TI-2026-73483 Predictable password-reset token in Omnispace Agora enables takeover CVSS 4.0CRITICAL 9.1
- TI-2026-73476 Predictable default passwords in Omnispace Agora Project allow account takeover CVSS 4.0CRITICAL 9.1
Sources
- CVE-2026-63148 · CVE Program
- CVE-2026-63148 · NVD
- FIRST EPSS
- GHSA-4gw9-m5rw-6837 · GitHub Advisory Database · CC BY 4.0
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