Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-93752— CSSOM through 0.5.0 Denial of Service via length Property

Quick assessment

Affected
NV CSSOM
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.

CSSOM 在 0.5.0 及之前版本中存在一个拒绝服务（DoS）漏洞，该漏洞位于 方法中，由于未能正确验证保留属性名，攻击者可以提供一个包含名为 的声明的样式表，从而替换内部计数器，并在 序列化过程中触发过度的内存分配，最终导致进程终止。

CVSS 7.5 · High EPSS 0.47% · P40

Possible ATT&CK Techniques 1 AI

T1481

Affected Version Matrix 1

VendorProduct Version RangeStatus
NV CSSOM ≤ 0.5.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-93752

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
CSSOM through 0.5.0 Denial of Service via length Property
Source: CVE Program / CVE List V5
Vulnerability Description
CSSOM through 0.5.0 contains a denial of service vulnerability in CSSStyleDeclaration.setProperty() that fails to validate reserved property names. Attackers can supply a stylesheet with a declaration named length to replace the internal counter and trigger excessive memory allocation during cssText serialization, causing process termination.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-915
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
NV CSSOM 0 ~ 0.5.0 -

II. Public POCs for CVE-2026-93752

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-93752

请登录查看更多情报信息。

Other References for CVE-2026-93752 (5)

IV. Related Vulnerabilities

Same weakness: CWE-915

V. Comments for CVE-2026-93752

No comments yet

Leave a comment