CVE-2019-18636 json
A cross-site scripting (XSS) vulnerability in Jitbit .NET Forum (aka ASP.NET forum) 8.3.8 allows remote attackers to inject arbitrary web s…
published 2019-11-01 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-8359
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
A cross-site scripting (XSS) vulnerability in Jitbit .NET Forum (aka ASP.NET forum) 8.3.8 allows remote attackers to inject arbitrary web script or HTML via the gravatar URL parameter.
Exploit prediction
0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- reallinkers.github.io https://reallinkers.github.io/CVE-2019-18636/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/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
-
reallinkers.github.io
/CVE-2019-18636/
exploit, third-party-advisory
-
jitbit.com
/asp-net-forum/versionhistory/
release-notes, vendor-advisory
Sources
- CVE List CVE-2019-18636
- NVD CVE-2019-18636
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.