8.6

CVE-2026-88060: angular Cross-site Scripting

CVSS: 8.6v4.0HighAnalyzed
AliasesUBUNTU-CVE-2026-88060DEBIAN-CVE-2026-88060GHSA-v3p8-whq6-r5jg
Published 10-09-2026Last modified 10-09-2026
Open JSON

Vulnerability summary

CVE-2026-88060 is a high (CVSS 8.6) Cross-site Scripting vulnerability in angular. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
44/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.6/10
010
High · v4.0 (CVE.org)
EPSS score
0.36%
0%100%
Low · -0.33 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 10-09-2026
    PublishedVulnerability first disclosed.
  2. 10-09-2026
    Last modifiedVulnerability information updated.

Description

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 20.3.30, 21.2.22, and 22.1.4, Angular server-side rendering (SSR) in @angular/platform-server serializes untrusted input inside template content nested in fallback raw-content elements such as noscript, iframe, noembed, and noframes. The Domino serializer's fallbackRawContentTags traversal stopped at the DocumentFragment used by template.content, so matching closing tags in xmp, style, script, comments, or text nodes were not escaped. Standard interpolation with comments or text nodes is reachable without relaxed schemas; literal xmp or style requires CUSTOM_ELEMENTS_SCHEMA or NO_ERRORS_SCHEMA, while Renderer2 imperative DOM construction is unconditionally affected. When HTML5 RAWTEXT browser parsing encounters the unescaped closing tag, it exits the fallback container and interprets trailing markup as active DOM elements, enabling arbitrary JavaScript execution. This issue is fixed in versions 20.3.30, 21.2.22, and 22.1.4.

CVSS metrics

7 scores · 5 sources · 2 versions

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

29%

Versus all other CVEs

30-day change

-0.33 pp

From 0.70% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Angular

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

@angular1 product
  • platform-server≥ 22.0.0, < 22.1.4 | ≥ 21.0.0, < 21.2.22 | ≥ 20.0.0, < 20.3.30 | ≤ 19.2.25
Angular1 product
  • angular≤ 19.2.25 | ≥ 19.0.0, ≤ 19.2.25 | ≥ 20.0.0, < 20.3.30 | ≥ 21.0.0, < 21.2.22 | ≥ 22.0.0, < 22.1.4
Debian1 product
  • angular.jsAll versions (No fix recorded)
Ubuntu1 product
  • angular.jsAll versions (No fix recorded)

4 vendors · 4 products

References

12 links
Show all 12 references