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CVE-2020-21101

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.
5.4
CVSS
0.4
ShadowTrackr
NO
CISA KEV
-
NCSC.nl
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesLow
User InteractionActive
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityLow
IntegrityLow
AvailabilityNone
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusUnavailable

Change Log
DateSourceChangesScore
2026-07-21nvdAV: P→N, AC: H→L, PR: H→L, VC: N→L, VI: N→L0.0 → 0.4
2026-07-21cve.orginitial, patch: Unavailable0.0
References: CVE.org · NVD

Affected Software
VendorProductVersion
screenlyscreenly0.10
screenlyscreenly0.11
screenlyscreenly0.12
screenlyscreenly0.12.1
screenlyscreenly0.13
screenlyscreenly0.14
screenlyscreenly0.15
screenlyscreenly0.15.1
screenlyscreenly0.16
screenlyscreenly0.17
screenlyscreenly0.18
screenlyscreenly0.18.1
screenlyscreenly0.18.2
screenlyscreenly0.9
screenlyscreenly0.9.1
Published: 2021-04-29