CVE-2019-12136 json
There is XSS in BoostIO Boostnote 0.11.15 via a label named mermaid, as demonstrated by a crafted SRC attribute of an IFRAME element.
published 7y ago modified 4mo ago also EUVD-2019-3787
- cvss
- 5.4
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 49%
- public exploits
- 0
- none known
Summary
There is XSS in BoostIO Boostnote 0.11.15 via a label named mermaid, as demonstrated by a crafted SRC attribute of an IFRAME element.
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0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/BoostIO/Boostnote/issues/3007 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.4 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/BoostIO/Boostnote/issues/3007
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2019-12136
- NVD CVE-2019-12136
Fencer Intel 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.