exploitDog

CVE-2022-21649

Опубликовано: 04 янв. 2022

Источник: nvd

CVSS3: 7.6

CVSS3: 5.4

CVSS2: 3.5

EPSS Низкий

Описание

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.

Ссылки

https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability
Broken Link
Third Party Advisory
https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c
Patch
Third Party Advisory
https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7
Patch
Third Party Advisory
https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/
Exploit
Patch
Third Party Advisory
https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability
Broken Link
Third Party Advisory
https://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847c
Patch
Third Party Advisory
https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7
Patch
Third Party Advisory
https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/
Exploit
Patch
Third Party Advisory

Уязвимые конфигурации

Конфигурация 1

cpe:2.3:a:convos:convos:*:*:*:*:*:*:*:*

Версия до 6.52 (исключая)

EPSS

Процентиль: 58%

0.0037

Низкий

7.6 High

CVSS3

5.4 Medium

CVSS3

3.5 Low

CVSS2

Дефекты

CWE-79

CWE-79

EPSS

Процентиль: 58%

0.0037

Низкий

7.6 High

CVSS3

5.4 Medium

CVSS3

3.5 Low

CVSS2

Дефекты

CWE-79

CWE-79