CVE-2020-28478

HIGH

gsap <3.6.0 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-28478. PoCs published by NetJBS.

AI-analyzed exploit summary This PoC demonstrates a prototype pollution vulnerability in gsap 1.19.90, where malicious input via `gsap.config` can pollute the global object prototype chain. The exploit uses JSON parsing to inject properties into `__proto__`, leading to potential arbitrary code execution or data manipulation.

Description

This affects the package gsap before 3.6.0.

Exploits (1)

nomisec WORKING POC 1 stars
by NetJBS · poc
https://github.com/NetJBS/CVE-2020-28478--PoC

This PoC demonstrates a prototype pollution vulnerability in gsap 1.19.90, where malicious input via `gsap.config` can pollute the global object prototype chain. The exploit uses JSON parsing to inject properties into `__proto__`, leading to potential arbitrary code execution or data manipulation.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: gsap 1.19.90
No auth needed
Prerequisites: Victim must execute the malicious JavaScript in a context where gsap 1.19.90 is loaded
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://snyk.io/vuln/SNYK-JS-GSAP-1054614

Scores

CVSS v3 7.5
EPSS 0.0063
EPSS Percentile 70.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (2)
greensock/greensock_animation_platform < 3.6.0
npm/gsap 0 - 3.6.0npm
Published Jan 19, 2021
Tracked Since Feb 18, 2026