9.8

CVE-2019-19919: handlebars.js_project handlebars.js Prototype Pollution

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2019-19919DEBIAN-CVE-2019-19919CGA-6gcq-m28f-6wjr
Published 20-12-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-19919 is a critical (CVSS 9.8) Prototype Pollution vulnerability in handlebars.js_project handlebars.js. EPSS estimates a 7.07% chance of exploitation in the next 30 days, higher than 94.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
7.07%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 11
CGA-58HC-RV25-5R96CGA-73MP-88W7-P6HCCGA-9R76-CP2V-QFX3CGA-CWM3-8HQ7-MHP9CGA-FPXP-6479-8P97CGA-H2GF-VP52-685R

Timeline

  1. 20-12-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Versions of handlebars prior to 4.3.0 are vulnerable to Prototype Pollution leading to Remote Code Execution. Templates may alter an Object's __proto__ and __defineGetter__ properties, which may allow an attacker to execute arbitrary code through crafted payloads.

CVSS metrics

8 scores · 7 sources · 2 versions

EPSS trend

Probability

7.07%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

0.00 pp

From 7.07% on 19-09-2026

19-09-202619-10-2026
EPSS score
7.07%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard71 products
  • code-serverAll versions (No fix recorded)
  • code-server-compatAll versions (No fix recorded)
  • commercial-gitlab-rails-ee-assets-19.1All versions (No fix recorded)
  • commercial-gitlab-rails-ee-assets-19.2All versions (No fix recorded)
  • commercial-gitlab-rails-ee-assets-19.3All versions (No fix recorded)
Wolfi2 products
  • code-serverAll versions (No fix recorded)
  • code-server-compatAll versions (No fix recorded)
Debian1 product
  • node-handlebars< 3:4.5.3-1
Handlebars.js_project1 product
  • handlebars.js1.0.6 | 1.0.7 | 1.0.8 | 1.0.9 | 1.0.10 | 1.0.11 | 1.0.12 | 1.1.0 | 1.1.1 | 1.1.2 | 1.2.0 | 1.2.1 | 1.3.0 | 2.0.0 | 3.0.0 | 3.0.1 | 3.0.2 | 3.0.3 | 3.0.4 | 3.0.5 | 3.0.6 | 3.0.7 | 4.0.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.0.5 | 4.0.6 | 4.0.7 | 4.0.8 | 4.0.9 | 4.0.10 | 4.0.11 | 4.0.12 | 4.0.13 | 4.0.14 | 4.1.0 | 4.1.1 | 4.1.2 | 4.2.0 | 4.2.1 | 4.2.2
Npm1 product
  • handlebars≥ 4.0.0, < 4.3.0 | < 3.0.8
RubyGems1 product
  • bootstrap-wysihtml5-rails≥ 0.3.3.5, ≤ 0.3.3.8
Tenable1 product
Ubuntu1 product
  • node-handlebarsAll versions (No fix recorded)

8 vendors · 79 products

References

15 links
Show all 15 references