Overview
- Description
- 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.
- Source
- ff5b8ace-8b95-4078-9743-eac1ca5451de
- NVD status
- Analyzed
Risk scores
CVSS 4.0
- Type
- Secondary
- Base score
- 2.1
- Impact score
- -
- Exploitability score
- -
- Vector string
- 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Severity
- LOW
CVSS 3.1
- Type
- Primary
- Base score
- 4.8
- Impact score
- 2.7
- Exploitability score
- 1.7
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- Severity
- MEDIUM
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4066C924-46C2-48F4-AA67-2664B6AC24FE",
"versionEndExcluding": "8.5.18"
},
{
"criteria": "cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "22477475-FE69-4804-B73E-B3F268F16FE7",
"versionEndExcluding": "9.3.3",
"versionStartIncluding": "9.0.0"
}
],
"operator": "OR"
}
]
}
]