CVE-2020-21101

5.4 mediumEPSS 0.6%

Medium (5.4) in screenly screenly. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-04-29
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

screenly:screenly

References

https://github.com/Screenly/screenly-ose/issues/1254
https://github.com/Screenly/screenly-ose/issues/1254

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