CVE-2026-18986 (GCVE-0-2026-18986)
Vulnerability from cvelistv5 – Published: 2026-09-02 12:45 – Updated: 2026-09-02 12:45
VLAI
EPSS
VEX
Title
Entity Browser - Moderately critical - Cross site scripting - SA-CONTRIB-2026-094
Summary
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Entity Browser allows Stored XSS. This issue affects Entity Browser versions: from 0.0.0 to 2.16.0.
Severity
4.8 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting")
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Drupal | Entity Browser |
Affected:
0.0.0 , < 2.16.0
(semver)
|
guessed |
Date Public
2026-08-05 17:59
{
"containers": {
"cna": {
"affected": [
{
"collectionURL": "https://www.drupal.org/project/entity_browser",
"product": "Entity Browser",
"repo": "https://git.drupalcode.org/project/entity_browser",
"vendor": "Drupal",
"versions": [
{
"lessThan": "2.16.0",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Pierre Rudloff (prudloff)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Julian Pustkuchen (anybody)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Sascha Grossenbacher (berdir)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Pierre Rudloff (prudloff)"
},
{
"lang": "en",
"type": "coordinator",
"value": "Greg Knaddison (greggles)"
},
{
"lang": "en",
"type": "coordinator",
"value": "Drew Webber (mcdruid)"
},
{
"lang": "en",
"type": "coordinator",
"value": "Pierre Rudloff (prudloff)"
}
],
"datePublic": "2026-08-05T17:59:29.000Z",
"descriptions": [
{
"lang": "en",
"value": "Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Entity Browser allows Stored XSS. This issue affects Entity Browser versions: from 0.0.0 to 2.16.0."
}
],
"impacts": [
{
"capecId": "CAPEC-592",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-592 Stored XSS"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\")",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-02T12:45:08.991Z",
"orgId": "2c85b837-eb8b-40ed-9d74-228c62987387",
"shortName": "drupal"
},
"references": [
{
"url": "https://www.drupal.org/sa-contrib-2026-094"
}
],
"title": "Entity Browser - Moderately critical - Cross site scripting - SA-CONTRIB-2026-094"
}
},
"cveMetadata": {
"assignerOrgId": "2c85b837-eb8b-40ed-9d74-228c62987387",
"assignerShortName": "drupal",
"cveId": "CVE-2026-18986",
"datePublished": "2026-09-02T12:45:08.991Z",
"dateReserved": "2026-08-05T17:35:22.105Z",
"dateUpdated": "2026-09-02T12:45:08.991Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-18986\",\"sourceIdentifier\":\"mlhess@drupal.org\",\"published\":\"2026-09-02T13:17:07.540\",\"lastModified\":\"2026-09-02T14:17:11.643\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Improper Neutralization of Input During Web Page Generation (\\\"Cross-site Scripting\\\") vulnerability in Drupal Entity Browser allows Stored XSS. This issue affects Entity Browser versions: from 0.0.0 to 2.16.0.\"}],\"affected\":[{\"source\":\"mlhess@drupal.org\",\"affectedData\":[{\"vendor\":\"Drupal\",\"product\":\"Entity Browser\",\"collectionURL\":\"https://www.drupal.org/project/entity_browser\",\"repo\":\"https://git.drupalcode.org/project/entity_browser\",\"versions\":[{\"version\":\"0.0.0\",\"lessThan\":\"2.16.0\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N\",\"baseScore\":4.8,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.7,\"impactScore\":2.7}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-09-02T13:39:59.950215Z\",\"id\":\"CVE-2026-18986\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"mlhess@drupal.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"references\":[{\"url\":\"https://www.drupal.org/sa-contrib-2026-094\",\"source\":\"mlhess@drupal.org\"}]}}"
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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