CVE-2020-21101 json
Cross Site Scriptiong vulnerabilityin Screenly screenly-ose all versions, including v1.8.2 (2019-09-25-Screenly-OSE-lite.img), in the 'Add…
published 2021-04-29 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-13880
- 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 49%
- public exploits
- 0
- none known
Summary
Cross Site Scriptiong vulnerabilityin Screenly screenly-ose all versions, including v1.8.2 (2019-09-25-Screenly-OSE-lite.img), in the 'Add Asset' page via manipulation of a 'URL' field, which could let a remote malicious user execute arbitrary code.
Exploit prediction
0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).
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
-
github.com
/Screenly/screenly-ose/issues/1254
third-party-advisory
Sources
- CVE List CVE-2020-21101
- NVD CVE-2020-21101
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