CVE-2022-21649
- Source
- https://cve.org/CVERecord?id=CVE-2022-21649
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-21649.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-21649
- Aliases
-
- GHSA-xmpj-xwm3-vww7
- Published
- 2022-01-04T20:40:20Z
- Modified
- 2026-10-21T02:47:35Z
- Severity
-
- 7.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N CVSS Calculator
- Summary
- Stored XSS via attribute in convos
- Details
-
Convos is an open source multi-user chat that runs in a web browser. Characters starting with "https://" in the chat window create an tag. Stored XSS vulnerability using onfocus and autofocus occurs because escaping exists for "<" or ">" but escaping for double quotes does not exist. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible.
- Database specific
{ "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-79" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21649.json" }- References
-
- https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21649.json
- https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7
- https://nvd.nist.gov/vuln/detail/CVE-2022-21649
- https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c
- https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability
Affected packages
Git / github.com/convos-chat/convos
Affected ranges
- Type
- GIT
- Repo
- https://github.com/convos-chat/convos
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "6.49" }, { "fixed": "6.52" } ], "source": "AFFECTED_FIELD", "strategy": "StringRangeExpression" }, { "range": [ { "fixed": "86b2193de375005ba71d9dd53843562c6ac1847c" } ], "source": "REFERENCES_COMMIT" } ] }