CVE-2019-15532 json
Cross-Site Scripting in cyberchef
published 2019-08-26 7 y ago modified 2026-06-17 4 mo ago also GHSA-jp6r-xcjj-5h7r , EUVD-2019-0636
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
CyberChef before 8.31.2 allows XSS in core/operations/TextEncodingBruteForce.mjs.
Patch / fix
- npm cyberchef 8.31.3
- gchq cyberchef 8.31.2
Exploit prediction
1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/gchq/CyberChef/issues/539 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | cyberchef | <8.31.3 |
8.31.3 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/gchq/CyberChef/commit/01f0625d6a177f9c5df9281f12a27c814c2d8bcf
web, patch, third-party-advisory
-
github.com
/gchq/CyberChef/issues/544
web, issue-tracking, patch, third-party-advisory
-
github.com
/gchq/CyberChef/compare/v8.31.1...v8.31.2
web, patch, third-party-advisory
-
github.com
/gchq/CyberChef/issues/539
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-15532
advisory
-
snyk.io
/vuln/SNYK-JS-CYBERCHEF-460296
web
-
npmjs.com
/advisories/1149
web
Sources
- CVE List CVE-2019-15532
- GitHub Advisory GHSA-jp6r-xcjj-5h7r
- NVD CVE-2019-15532
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.