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TI-2021-03951 Aliases CVE-2021-20725GHSA-62qp-vfx5-7cj5

Cross-site scripting in PHP Factory [Calendar01] free edition

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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

Reflected cross-site scripting vulnerability in the admin page of [Calendar01] free edition ver1.0.1 and earlier allows a remote attacker to inject an arbitrary script via unspecified vectors.

Why it matters now

EPSS 0.00777 56th percentileScored 2026-11-07
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
PHP Factory[Calendar01] free editionver1.0.1 and earlier—No fix listedCNA
  • [Calendar01] free edition VendorPHP Factory Affected ver1.0.1 and earlier Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:calendar01_project:calendar01:*:*:*:*:free:*:*:*up to 1.0.1VulnerableCalendar01 Project
  • cpe:2.3:a:calendar01_project:calendar01:*:*:*:*:free:*:*:* Versions up to 1.0.1 Vulnerable ·Calendar01 Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20725
  2. 2026-10-03 Alias added: GHSA-62qp-vfx5-7cj5

References

Advisory 2

  • TI-2020-04585 Improper authentication in PHP Factory [Calendar01], [Calendar02], [PKOBO-News01]… CVSS 3.1CRITICAL 9.8
  • TI-2020-04584 Cross-site request forgery in PHP Factory [Calendar01] and [Calendar02] CVSS 3.1HIGH 8.8

Sources

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