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TI-2021-20898 Aliases CVE-2021-45888GHSA-89cj-79vx-wf9q

An issue was discovered in PONTON X/P Messenger before 3.11.2.

Priority LOW 23CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

An issue was discovered in PONTON X/P Messenger before 3.11.2. The navigation tree that is shown on the left side of every page of the web application is vulnerable to XSS: it allows injection of JavaScript into its nodes. Creating such nodes is only possible for users who have the role Configuration Administrator or Administrator.

Why it matters now

EPSS 0.00585 48th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:ponton:x\/p_messenger:3.8.0:*:*:*:*:*:*:*3.8.0VulnerablePonton
cpe:2.3:a:ponton:x\/p_messenger:3.10.0:*:*:*:*:*:*:*3.10.0VulnerablePonton
  • cpe:2.3:a:ponton:x\/p_messenger:3.8.0:*:*:*:*:*:*:* Versions 3.8.0 Vulnerable ·Ponton
  • cpe:2.3:a:ponton:x\/p_messenger:3.10.0:*:*:*:*:*:*:* Versions 3.10.0 Vulnerable ·Ponton

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-45888
  2. 2026-10-03 Alias added: GHSA-89cj-79vx-wf9q

References

Exploit 1

Advisory 1

  • TI-2021-20897 An issue was discovered in PONTON X/P Messenger before 3.11.2. CVSS 3.1CRITICAL 9.8
  • TI-2021-20896 An issue was discovered in PONTON X/P Messenger before 3.11.2. CVSS 3.1HIGH 8.8
  • TI-2021-20899 An issue was discovered in PONTON X/P Messenger before 3.11.2. CVSS 3.1MEDIUM 5.4

Sources

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