CVE-2021-35506 json
Afian FileRun 2021.03.26 allows XSS when an administrator encounters a crafted document during use of the HTML Editor for a preview or edit…
published 2021-10-05 5 y ago modified 2026-07-05 4 mo ago also EUVD-2021-22147
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 54%
- public exploits
- 0
- none known
Summary
Afian FileRun 2021.03.26 allows XSS when an administrator encounters a crafted document during use of the HTML Editor for a preview or edit action.
Exploit prediction
0.74% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- syntegris-sec.github.io https://syntegris-sec.github.io/filerun-advisory referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/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 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
syntegris-sec.github.io
/filerun-advisory
exploit, third-party-advisory
-
blog.filerun.com
product
Sources
- CVE List CVE-2021-35506
- NVD CVE-2021-35506
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.