CVE-2022-21649
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.
Published at
2022-01-04
12 days ago
Modified
2022-01-04
12 days ago
2022
Year
The year of the turtle
https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7
CONFIRM:https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7
https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability
MISC:https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability
https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c
MISC:https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c
https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/
MISC:https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/
Vulnerability RAW
{
"Title": {
"_text": "CVE-2022-21649"
},
"Notes": {
"Note": [
{
"_text": "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."
},
{
"_text": "2022-01-04"
},
{
"_text": "2022-01-04"
}
]
},
"CVE": {
"_text": "CVE-2022-21649"
},
"References": {
"Reference": [
{
"URL": {
"_text": "https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7"
},
"Description": {
"_text": "CONFIRM:https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7"
}
},
{
"URL": {
"_text": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability"
},
"Description": {
"_text": "MISC:https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability"
}
},
{
"URL": {
"_text": "https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c"
},
"Description": {
"_text": "MISC:https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c"
}
},
{
"URL": {
"_text": "https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/"
},
"Description": {
"_text": "MISC:https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/"
}
}
]
}
}