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ConcreteCMSVULNRICHMENT:CVE-2024-4350

HistoryAug 09, 2024 - 12:37 a.m.

CVE-2024-4350 Stored XSS in RSS Displayer

2024-08-0900:37:44

CWE-20

ConcreteCMS

github.com

concrete cms

stored xss

rss displayer

vulnerability

cvss

security team

CVSS4

2.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/SC:N/VI:N/SI:N/VA:N/SA:N

AI Score

5.6

Confidence

High

EPSS

0.001

Percentile

21.0%

SSVC

Exploitation

none

Automatable

Technical Impact

partial

JSON

Concrete CMS versions 9.0.0 to 9.3.2 and below 8.5.18 are vulnerable to Stored XSS in RSS Displayer when user input is stored and later embedded into responses. A rogue administrator could inject malicious code into fields due to insufficient input validation. The Concrete CMS security team gave this vulnerability a CVSS v3.1 score of 3.0 with a vector of AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator and a CVSS v4 score of 2.1 with vector CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Thanks, m3dium for reporting.

CNA Affected

[
  {
    "repo": "https://github.com/concretecms/concretecms",
    "vendor": "Concrete CMS",
    "product": "Concrete CMS",
    "versions": [
      {
        "status": "affected",
        "version": "9.0.0",
        "lessThan": "9.3.3",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5.0.0",
        "lessThan": "8.5.18",
        "versionType": "git"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

References

documentation.concretecms.org/9-x/developers/introduction/version-history/933-release-notes?pk_vid=e367a434ef4830491723060415d52041

documentation.concretecms.org/developers/introduction/version-history/8518-release-notes?pk_vid=e367a434ef4830491723055758d52041

github.com/concretecms/concretecms/commit/c08d9671cec4e7afdabb547339c4bc0bed8eab06

github.com/concretecms/concretecms/pull/12166

CVSS4

2.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/SC:N/VI:N/SI:N/VA:N/SA:N

AI Score

5.6

Confidence

High

EPSS

0.001

Percentile

21.0%

SSVC

Exploitation

none

Automatable

Technical Impact

partial

JSON

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