CVE-2026-85189 (GCVE-0-2026-85189)
Vulnerability from cvelistv5 – Published: 2026-09-14 06:17 – Updated: 2026-09-14 06:17
VLAI
EPSS
VEX
Title
Joomla Extension - regularlabs.com - Privileged stored XSS via executable URL schemes in Modals extension for Joomla < 17.0.0
Summary
Joomla Extension - regularlabs.com - Privileged stored XSS via executable URL schemes in Modals extension for Joomla < 17.0.0 - Modals treats a destination using an executable browser URL scheme as an ordinary modal URL. The value can reach both the generated link and the iframe-loading path. Authored content can consequently become JavaScript in a visitor's browser without using Modals' separate Pro JavaScript Events feature.
Severity
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.regularlabs.com/ | product |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| regularlabs.com | Modals (Free, Pro) extension for Joomla |
Affected:
4.0.0-16.2.0
|
guessed |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageName": "plg_system_modals",
"product": "Modals (Free, Pro) extension for Joomla",
"vendor": "regularlabs.com",
"versions": [
{
"status": "affected",
"version": "4.0.0-16.2.0"
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"descriptions": [
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"supportingMedia": [
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}
],
"value": "Joomla Extension - regularlabs.com - Privileged stored XSS via executable URL schemes in Modals extension for Joomla \u003c 17.0.0 - Modals treats a destination using an executable browser URL scheme as an ordinary modal URL. The value can reach both the generated link and the iframe-loading path. Authored content can consequently become JavaScript in a visitor\u0027s browser without using Modals\u0027 separate Pro JavaScript Events feature."
}
],
"metrics": [
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"Recovery": "NOT_DEFINED",
"Safety": "NEGLIGIBLE",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "HIGH",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/S:N/AU:N",
"version": "4.0",
"vulnAvailabilityImpact": "LOW",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
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"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-14T06:17:35.044Z",
"orgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
"shortName": "Joomla"
},
"references": [
{
"tags": [
"product"
],
"url": "https://www.regularlabs.com/"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Joomla Extension - regularlabs.com - Privileged stored XSS via executable URL schemes in Modals extension for Joomla \u003c 17.0.0",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
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},
"cveMetadata": {
"assignerOrgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
"assignerShortName": "Joomla",
"cveId": "CVE-2026-85189",
"datePublished": "2026-09-14T06:17:35.044Z",
"dateReserved": "2026-09-03T12:01:51.929Z",
"dateUpdated": "2026-09-14T06:17:35.044Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-85189",
"date": "2026-09-14",
"epss": "0.00247",
"percentile": "0.16"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-85189\",\"sourceIdentifier\":\"security@joomla.org\",\"published\":\"2026-09-14T07:17:22.357\",\"lastModified\":\"2026-09-14T07:17:22.357\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Joomla Extension - regularlabs.com - Privileged stored XSS via executable URL schemes in Modals extension for Joomla \u003c 17.0.0 - Modals treats a destination using an executable browser URL scheme as an ordinary modal URL. The value can reach both the generated link and the iframe-loading path. Authored content can consequently become JavaScript in a visitor\u0027s browser without using Modals\u0027 separate Pro JavaScript Events feature.\"}],\"affected\":[{\"source\":\"security@joomla.org\",\"affectedData\":[{\"vendor\":\"regularlabs.com\",\"product\":\"Modals (Free, Pro) extension for Joomla\",\"defaultStatus\":\"unaffected\",\"packageName\":\"plg_system_modals\",\"versions\":[{\"version\":\"4.0.0-16.2.0\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"security@joomla.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/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:N/AU:N/R:X/V:X/RE:X/U:X\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"PRESENT\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"LOW\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NEGLIGIBLE\",\"Automatable\":\"NO\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}]},\"weaknesses\":[{\"source\":\"security@joomla.org\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"references\":[{\"url\":\"https://www.regularlabs.com/\",\"source\":\"security@joomla.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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