CVE-2021-22886

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Source
https://cve.org/CVERecord?id=CVE-2021-22886
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-22886.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-22886
Published
2021-03-26T19:15:11Z
Modified
2026-08-07T11:31:05Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

Rocket.Chat before 3.11, 3.10.5, 3.9.7, 3.8.8 is vulnerable to persistent cross-site scripting (XSS) using nested markdown tags allowing a remote attacker to inject arbitrary JavaScript in a message. This flaw leads to arbitrary file read and RCE on Rocket.Chat desktop app.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc0:*:*:*:*:*:*",
                "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc1:*:*:*:*:*:*",
                "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc2:*:*:*:*:*:*",
                "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc3:*:*:*:*:*:*",
                "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc4:*:*:*:*:*:*",
                "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc5:*:*:*:*:*:*",
                "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc6:*:*:*:*:*:*",
                "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc7:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "3.11.0-rc0"
                },
                {
                    "last_affected": "3.11.0-rc0"
                },
                {
                    "introduced": "3.11.0-rc1"
                },
                {
                    "last_affected": "3.11.0-rc1"
                },
                {
                    "introduced": "3.11.0-rc2"
                },
                {
                    "last_affected": "3.11.0-rc2"
                },
                {
                    "introduced": "3.11.0-rc3"
                },
                {
                    "last_affected": "3.11.0-rc3"
                },
                {
                    "introduced": "3.11.0-rc4"
                },
                {
                    "last_affected": "3.11.0-rc4"
                },
                {
                    "introduced": "3.11.0-rc5"
                },
                {
                    "last_affected": "3.11.0-rc5"
                },
                {
                    "introduced": "3.11.0-rc6"
                },
                {
                    "last_affected": "3.11.0-rc6"
                },
                {
                    "introduced": "3.11.0-rc7"
                },
                {
                    "last_affected": "3.11.0-rc7"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "rocket.chat:rocket.chat"
        }
    ]
}
References

Affected packages

Git / github.com/rocketchat/rocket.chat

Affected ranges

Type
GIT
Repo
https://github.com/rocketchat/rocket.chat
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
95ed038f24ca3a43dc4e2b899197b53477d8f40e
Introduced
d05e26f4fc0d770bfdaed7e8b81a55dbc85dc1d3
Fixed
f753e7a127bd77049a4057989f2d1f8ba501a3c6
Introduced
3a13cead22bfc1100c5b89069498919473c84195
Fixed
1e36f4183852248cece3b1ad092bc566a8cfbd52
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.8.8"
        },
        {
            "introduced": "3.9.0"
        },
        {
            "fixed": "3.9.7"
        },
        {
            "introduced": "3.10.0"
        },
        {
            "fixed": "3.10.5"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

0.*
0.10.0
0.10.1
0.10.2
0.11.0
0.13.0
0.14.0
0.15.0
0.16.0
0.17.0
0.18.0
0.19.0
0.23.0
0.24.0
0.25.0
0.26.0
0.27.0
0.28.0
0.29.0
0.30.0
0.36.0
0.37.0
0.37.1
0.38.0
0.39.0
0.40.0
0.40.1
0.41.0
0.42.0
0.43.0
0.44.0
0.45.0
0.46.0
0.48.0
0.49.0
0.49.1
0.49.2
0.49.3
0.49.4
0.50.0
0.54.0
0.54.1
0.56.0
0.56.0-rc.0
0.56.0-rc.1
0.56.0-rc.2
0.56.0-rc.3
0.56.0-rc.4
0.56.0-rc.5
0.56.0-rc.6
0.56.0-rc.7
0.57.0
0.57.1
0.57.2
0.58.0
0.58.1
0.58.2
0.59.0
0.59.1
0.59.2
0.59.3
0.59.4
0.59.5
0.59.6
0.60.0
0.60.1
0.60.2
0.60.3
0.60.4
0.61.0
0.61.1
0.61.2
0.62.0
0.62.1
0.62.2
0.63.0
0.63.1
0.63.2
0.63.3
0.64.0
0.64.1
0.64.2
0.65.0
0.65.1
0.65.2
0.66.0
0.66.1
0.66.2
0.66.3
0.67.0
0.68.0
0.68.1
0.68.2
0.68.3
0.68.4
0.68.5
0.69.0
0.69.1
0.69.2
0.70.0
0.70.1
0.70.2
0.70.3
0.70.4
0.71.0
0.71.1
0.72.0
0.72.1
0.72.2
0.72.3
0.73.0
0.73.1
0.73.2
0.74.0
0.74.1
0.74.2
0.74.3
0.8.0
1.*
1.0.0
1.0.1
1.0.2
1.0.3
1.1.0
1.1.1
1.1.2
1.1.3
1.2.0
1.2.1
1.3.0
1.3.1
1.3.2
2.*
2.0.0
2.1.0
2.1.1
2.1.2
2.2.0
2.3.0
2.3.1
2.3.2
2.4.0
2.4.1
2.4.2
2.4.3
2.4.4
2.4.5
2.4.6
2.4.7
2.4.8
2.4.9
3.*
3.0.0
3.0.1
3.0.10
3.0.11
3.0.12
3.0.2
3.0.3
3.0.4
3.0.5
3.0.6
3.0.7
3.0.8
3.0.9
3.1.0
3.1.1
3.1.2
3.10.0
3.10.1
3.10.2
3.10.3
3.10.4
3.2.0
3.2.1
3.2.2
3.3.0
3.3.1
3.3.2
3.3.3
3.4.0
3.4.1
3.4.2
3.5.0
3.5.1
3.5.2
3.5.3
3.5.4
3.6.0
3.6.1
3.6.2
3.6.3
3.7.0
3.7.1
3.7.2
3.8.0
3.8.1
3.8.2
3.8.3
3.8.4
3.8.5
3.8.6
3.8.7
3.9.0
3.9.1
3.9.2
3.9.3
3.9.4
3.9.5
3.9.6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-22886.json"