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CVE-2026-15697— svgdotjs svg.js npm Package API EventTarget.on prototype pollution

Quick assessment

Affected

svgdotjs svg.js

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SVG.js SVG.js是SVG.js社区的一个JavaScript库用于操作和动画SVG图形。 SVG.js 3.2.5及之前版本存在安全漏洞，该漏洞源于npm Package API组件中EventTarget.on函数存在对象原型属性修改控制不当问题，可能导致远程攻击。

CVSS 6.3 · Medium EPSS 0.45% · P39 Updated Jul 15, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 6

Vendor	Product	Version Range	Status
svgdotjs	svg.js	`3.2.0`	affected
		`3.2.1`	affected
		`3.2.2`	affected
		`3.2.3`	affected
		`3.2.4`	affected
		`3.2.5`	affected

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I. Basic Information for CVE-2026-15697

Vulnerability Information

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Vulnerability Title

svgdotjs svg.js npm Package API EventTarget.on prototype pollution

Source: CVE Program / CVE List V5

Vulnerability Description

A vulnerability was found in svgdotjs svg.js up to 3.2.5. This affects the function EventTarget.on of the file svgdotjs/svg.js of the component npm Package API. Performing a manipulation results in improperly controlled modification of object prototype attributes. The attack may be initiated remotely. The project was informed of the problem early through an issue report but has not responded yet.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Source: CVE Program / CVE List V5

Vulnerability Type

CWE-1321

Source: CVE Program / CVE List V5

Vulnerability Title

SVG.js 输入验证错误漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
svgdotjs	svg.js	3.2.0	`cpe:2.3:a:svgdotjs:svg.js::::::::`

II. Public POCs for CVE-2026-15697

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-15697

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Vendor Pages for CVE-2026-15697 (1)

🔗 GitHub - svgdotjs/svg.js: The lightweight library for manipulating and animating SVG · GitHub product

Other References for CVE-2026-15697 (1)

🔗 Prototype pollution via EventTarget.on() event namespace handling · Issue #1343 · svgdotjs/svg.js Read full article issue-tracking

https://www.cve.org/CVERecord?id=CVE-2026-15697

IV. Related Vulnerabilities

Same weakness: CWE-1321