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TI-2021-22449 Aliases CVE-2021-47834GHSA-524r-9v5q-wjww

Schlix CMS 2.2.6-6 - 'title' Persistent Cross-Site Scripting (Authenticated)

Priority LOW 23CWE-79Published · Updated

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
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Schlix CMS 2.2.6-6 contains a persistent cross-site scripting vulnerability that allows authenticated users to inject malicious scripts into category titles. Attackers can create a new contact category with a script payload that will execute when the page is viewed by other users.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00269 19th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

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

VendorProductAffected versionsFixed inStatusSource
SchlixSchlix CMS2.2.6-6—No fix listedCNA
  • Schlix CMS VendorSchlix Affected 2.2.6-6 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-47834
  2. 2026-10-03 Alias added: GHSA-524r-9v5q-wjww

References

Exploit 1

Other 1

  • TI-2021-22577 Schlix CMS 2.2.6-6 Remote Code Execution via core.blockmanager CVSS 4.0HIGH 8.7
  • TI-2023-15102 An arbitrary file upload vulnerability in Schlix CMS v2.2.8-1, allows remote… CVSS 3.1HIGH 7.2
  • TI-2022-22487 Insecure Permission vulnerability in Schlix Web Inc SCHLIX CMS 2.2.7-2 allows attacker to… CVSS 3.1HIGH 8.8
  • TI-2019-08238 admin/app/mediamanager in Schlix CMS 2.1.8-7 allows Authenticated Unrestricted File… CVSS 3.1HIGH 7.2
  • TI-2025-41216 Schlix CMS before v2.2.9-5 is vulnerable to Cross Site Scripting (XSS). CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences