VDB
CVE-2020-8294
CVE-2020-8294
PUBLISHED
Reported by hackerone · Published February 3, 2021
A missing link validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows execution of a stored XSS attack using Internet Explorer when saving a 'javascript:' URL in markdown format.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| nextcloud_server | nextcloud | 20.0.2, 19.0.5, 18.0.11 |
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | Nextcloud Server | Fixed in 20.0.2, 19.0.5, 18.0.11 |
| n/a | Nextcloud Server | 20.0.2 |
Timeline
- Feb 3, 2021 CVE Published
- Feb 19, 2021 PoC Published
- Apr 14, 2021 EPSS Score (30 in total, the first dated here)
- Apr 4, 2026 Security Advisory (4 in total, the first dated here)
- Aug 28, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2020-8294
vulnetix vdb fixes CVE-2020-8294
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2020-8294/fixes/registry"
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