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INCIBECVELIST:CVE-2023-4497

HistoryOct 04, 2023 - 12:32 p.m.

CVE-2023-4497 Easy Chat Server XSS vulnerability

2023-10-0412:32:29

CWE-79

INCIBE

www.cve.org

easy chat server

xss

vulnerability

encryption

user-controlled inputs

cross-site scripting

post method

icon parameter

stored

/registresult.htm

/users.ghp

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

0.0005 Low

EPSS

Percentile

17.0%

JSON

Easy Chat Server, in its 3.1 version and before, does not sufficiently encrypt user-controlled inputs, resulting in a Cross-Site Scripting (XSS) vulnerability stored via /registresult.htm (POST method), in the Icon parameter. The XSS is loaded from /users.ghp.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Easy Chat Server",
    "vendor": "EFS Software",
    "versions": [
      {
        "lessThanOrEqual": "3.1",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

References

www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-efs-software-products

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

0.0005 Low

EPSS

Percentile

17.0%

JSON

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