CVE-2022-21649
3.5 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
7.6 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
0.001 Low
EPSS
Percentile
43.4%
Convos is an open source multi-user chat that runs in a web browser. Characters starting with “https://” in the chat window create an <a> 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.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| convos:convos | convos | lt | 6.52 |
CNA Affected
[
{
"product": "convos",
"vendor": "convos-chat",
"versions": [
{
"status": "affected",
"version": ">= 6.49, < 6.52"
}
]
}
]Related
3.5 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
7.6 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
0.001 Low
EPSS
Percentile
43.4%