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CVE-2019-15532

20
FAUCET Score

CVE-2019-15532 describes a Cross-Site Scripting (XSS) vulnerability in CyberChef versions prior to 8.31.2, specifically within the core/operations/TextEncodingBruteForce.mjs component. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low attack complexity, requiring user interaction, and could lead to low impact on confidentiality and integrity. There is no evidence of active exploitation, nor are there publicly available exploit modules in common frameworks like Metasploit or Nuclei, despite some community discussion and limited media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.31.2CPE matchmatch criteria
cpe:2.3:a:gchq:cyberchef:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.31%
Probability of exploitation in next 30 days
EPSS Percentile
67.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0131 is in the 80th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: cyberchefFixed in: 8.31.3

Vendor Advisories (1)

npmGHSA-jp6r-xcjj-5h7rmedium

Cross-Site Scripting in cyberchef

Aug 27, 2019

References

github.com / gchq/CyberChef/commit/01f0625d6a177f9c5df9281f12a27c814c2d8bcf
PatchThird Party Advisory
github.com / gchq/CyberChef/compare/v8.31.1...v8.31.2
PatchThird Party Advisory
github.com / gchq/CyberChef/issues/539
ExploitThird Party Advisory
github.com / gchq/CyberChef/issues/544
Issue TrackingPatchThird Party Advisory