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CVE-2026-40201
@diplodoc/search-extension 1.0.0 through 3.x before 3.0.3 allows stored XSS via the title in a .md file.
- 5.4MediumCVSS base score
- 0.24%Exploitation in 30 daysEPSS · top 85% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
@diplodoc/search-extension 1.0.0 through 3.x before 3.0.3 allows stored XSS via the title in a .md file.
Timeline
ID reserved
By mitre
- 21 days later
· 21 days later
Published
- 4 days later
· 4 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| mitreCNA (assigner) | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVDNVD · Deferred | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.24% · top 85% of all CVEs (11 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.
Affected products
diplodoc-platform · @diplodoc/search-extension
- affected 1.0.0 – < 3.0.3
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npm@diplodoc/search-extensionGHSA-rjmp-rwj4-mv82 (opens in a new tab)
What to do
Solution: Use the function escapeHtml within highlighte.
References
References4
- https://github.com/diplodoc-platform/search-extension/releases (opens in a new tab)
- https://github.com/diplodoc-platform/search-extension/pull/41 (opens in a new tab)
- https://github.com/diplodoc-platform/search-extension/releases/tag/v3.0.3 (opens in a new tab)
- https://github.com/eyelessgoddd/eyelessgoddd/blob/main/README.md (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-26484 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-rjmp-rwj4-mv82 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-40201)Record last updated .