CVE-2020-25799
Status: ModifiedMedium (5.4)—
LimeSurvey 3.21.1 is affected by cross-site scripting (XSS) in the Quota component of the Survey page. When the survey quota being viewed, e.g. by an administrative user, the JavaScript code will be executed in the browser.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Base score: 5.4
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.70%
- Percentile among all scored CVEs: 52
- Score date: 10/7/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-79
References
Raw JSON (NVD)
Show
{
"id": "CVE-2020-25799",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 3.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 6.8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 5.4,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 2.3
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2020-12-31T18:15:13.090",
"references": [
{
"url": "https://bugs.limesurvey.org/view.php?id=15681",
"tags": [
"Exploit",
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/LimeSurvey/LimeSurvey/commit/a5f317817da4577d9ff457fea9c96482b3d1df23",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://bugs.limesurvey.org/view.php?id=15681",
"tags": [
"Exploit",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/LimeSurvey/LimeSurvey/commit/a5f317817da4577d9ff457fea9c96482b3d1df23",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "LimeSurvey 3.21.1 is affected by cross-site scripting (XSS) in the Quota component of the Survey page. When the survey quota being viewed, e.g. by an administrative user, the JavaScript code will be executed in the browser."
},
{
"lang": "es",
"value": "LimeSurvey versión 3.21.1, está afectado por una vulnerabilidad de tipo cross-site scripting (XSS) en el componente Quota de la página Survey. Cuando es visualizada una cuota de la encuesta, por ejemplo, por un usuario administrativo, el código JavaScript será ejecutado en el navegador."
}
],
"lastModified": "2026-06-17T03:07:19.620",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:limesurvey:limesurvey:3.21.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CA401C3E-D4E1-4E2A-AC60-047600277AD2"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}