CVE-2026-40201 json
@diplodoc/search-extension allows stored XSS via Markdown file title
published 2026-05-01 6 mo ago modified 2026-10-26 13 d ago also GHSA-rjmp-rwj4-mv82 , EUVD-2026-26484
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
@diplodoc/search-extension 1.0.0 through 3.x before 3.0.3 allows stored XSS via the title in a .md file.
Patch / fix
- npm @diplodoc/search-extension 3.0.5
- diplodoc-platform @diplodoc/search-extension 3.0.3
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| GitHub | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | @diplodoc/search-extension | >=1.0.0, <3.0.5 |
3.0.5 |
Affected products
- diplodoc-platform @diplodoc/search-extension
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/diplodoc-platform/search-extension/pull/41
web
-
github.com
/diplodoc-platform/search-extension/releases
web
-
github.com
/diplodoc-platform/search-extension/releases/tag/v3.0.3
web
-
github.com
/eyelessgoddd/eyelessgoddd/blob/main/README.md
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-40201
advisory
-
github.com
/diplodoc-platform/search-extension
package
Sources
- CVE List CVE-2026-40201
- GitHub Advisory GHSA-rjmp-rwj4-mv82
- NVD CVE-2026-40201
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.