Vulnerability · Published Jan 20, 2022 · Assigned by @huntrdev
CVE-2021-3866Cross-site Scripting (XSS) - Stored in zulip/zulip
Medium 6.8
In plain English
A medium-severity cross-site scripting in zulip/zulip from zulip. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS 3.0)6.8Medium
Exploit odds (30 days)0.9%top 40.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Cross-site Scripting (XSS) - Stored in GitHub repository zulip/zulip more than and including 44f935695d452cc3fb16845a0c6af710438b153d and prior to 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| zulip | zulip/zulip | 44f935695d452cc3fb16845a0c6af710438b153d – before unspecifiedunspecified – before 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6 |
Weakness: CWE-79 · Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:L/A:L
References
- https://huntr.dev/bounties/5f48dac5-e112-4b23-bbbf-cc00ba83bcf2 x_refsource_CONFIRM
- https://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6 x_refsource_MISC
- https://blog.zulip.com/2022/01/19/cve-2021-3866/ x_refsource_MISC