TI-2021-03109 Aliases CVE-2021-4251 GHSA-w6w2-4fv4-9gj2

as include.cdn.php getFullURL cross site scripting

LOW 28CWE-707Published 2022-12-18 · Updated 2025-04-15

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A vulnerability classified as problematic was found in as. This vulnerability affects the function getFullURL of the file include.cdn.php. The manipulation leads to cross site scripting. The attack can be initiated remotely. The name of the patch is 4acad1e3d2c34c017473ceea442fb3e3e078b2bd. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-216208.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00418 36th percentileScored 2026-11-07

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

Vendor	Product	Affected versions	Fixed in	Status	Source
unspecified	as	all versions	—	No fix listed	CNA

as Vendorunspecified Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:as_project:as::::::::	before 2021-11-03	Vulnerable	As Project

cpe:2.3:a:as_project:as:*:*:*:*:*:*:*:* Versions before 2021-11-03 Vulnerable ·As Project

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-4251
2026-10-03 Alias added: GHSA-w6w2-4fv4-9gj2

References

Patch 1

https://github.com/andrewsauder/as/commit/4acad1e3d2c34c017473ceea442fb3e3e078b2bd

Sources

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