Stage.js DOM Clobbering vulnerabilty

published 2025-03-03 20 mo ago modified 2026-06-17 4 mo ago also GHSA-fp3m-g5rc-4c28 , EUVD-2024-53972

cvss: 4.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits: 0; none known

Stage.js through 0.8.10 allows DOM Clobbering (with resultant XSS for untrusted input that contains HTML but does not directly contain JavaScript), because document.currentScript lookup can be shadowed by attacker-injected HTML elements.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 20 mo ago (2025-03-03)

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gist.github.com https://gist.github.com/jackfromeast/31d56f1ad17673aabb6ab541e65a5534 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.9	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub	3.1	4.9	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
npm	stage-js	<=0.8.10	no fix listed

Affected products

Piqnt Stage.js

Classification

Weakness

CWE-94 Improper Control of Generation of Code
CWE-79 Improper Neutralization of Input During Web Page Generation

References

gist.github.com /jackfromeast/31d56f1ad17673aabb6ab541e65a5534
exploit, web, third-party-advisory
github.com /piqnt/stage.js/blob/919f6e94b14242f6e6994141a9e1188439d306d5/lib/core.js#L158-L159
web, product
nvd.nist.gov /vuln/detail/CVE-2024-53386
advisory
github.com /piqnt/stage.js
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary