CVE-2026-81791 - Vulnerability Details - OpenCVE

Subscriber Cross Site Scripting (XSS) in EventON <= 2.5.7 versions.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Ashan Perera

EventON

unaffected

Version	Status	Constraints
`n/a`	affected	≤ 2.5.7

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://patchstack.com/database/wordpress/plugin/eventon-lite/vulnerability/wordpress-eventon-plugin-2-5-7-cross-site-scripting-xss-vulnerability?_s_id=cve

History

Thu, 10 Sep 2026 16:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 10 Sep 2026 14:45:00 +0000

Type	Values Removed	Values Added
Description		Subscriber Cross Site Scripting (XSS) in EventON <= 2.5.7 versions.
Title		WordPress EventON plugin <= 2.5.7 - Cross Site Scripting (XSS) vulnerability
Weaknesses		CWE-79
References		https://patchstack.com/database/wordpress/plugin/eventon-lite/vulnerability/wordpress-eventon-plugin-2-5-7-cross-site-scripting-xss-vulnerability?_s_id=cve
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L'}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: Patchstack

Published: 2026-09-10T14:23:44.073Z

Updated: 2026-09-10T15:08:51.334Z

Reserved: 2026-08-27T12:24:31.287Z

Link: CVE-2026-81791

Vulnrichment

Updated: 2026-09-10T15:08:45.654Z

NVD

Status : Deferred

Published: 2026-09-10T15:17:45.040

Modified: 2026-09-10T16:17:58.383

Link: CVE-2026-81791

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-09-10T15:30:06Z

Weaknesses

CWE-79

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-81791", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-08-27T12:24:31.287Z", "datePublished": "2026-09-10T14:23:44.073Z", "dateUpdated": "2026-09-10T15:08:51.334Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-09-10T14:23:44.073Z"}, "title": "WordPress EventON plugin <= 2.5.7 - Cross Site Scripting (XSS) vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-592", "descriptions": [{"lang": "en", "value": "CAPEC-592 Stored XSS"}]}], "affected": [{"vendor": "Ashan Perera", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "eventon-lite", "product": "EventON", "versions": [{"lessThanOrEqual": "2.5.7", "status": "affected", "version": "n/a", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Subscriber Cross Site Scripting (XSS) in EventON <= 2.5.7 versions."}], "value": "Subscriber Cross Site Scripting (XSS) in EventON <= 2.5.7 versions."}], "references": [{"tags": ["vdb-entry"], "url": "https://patchstack.com/database/wordpress/plugin/eventon-lite/vulnerability/wordpress-eventon-plugin-2-5-7-cross-site-scripting-xss-vulnerability?_s_id=cve"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW", "version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"}}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Nguyen Ba Khanh - HPT Vietnam Corporation | Patchstack Bug Bounty Program"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-10T15:08:39.962712Z", "id": "CVE-2026-81791", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-10T15:08:51.334Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-81791", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-10T15:08:39.962712Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-10T15:08:45.654Z"}}], "cna": {"title": "WordPress EventON plugin <= 2.5.7 - Cross Site Scripting (XSS) vulnerability", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Nguyen Ba Khanh - HPT Vietnam Corporation | Patchstack Bug Bounty Program"}], "impacts": [{"capecId": "CAPEC-592", "descriptions": [{"lang": "en", "value": "CAPEC-592 Stored XSS"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Ashan Perera", "product": "EventON", "versions": [{"status": "affected", "version": "n/a", "versionType": "custom", "lessThanOrEqual": "2.5.7"}], "packageName": "eventon-lite", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/eventon-lite/vulnerability/wordpress-eventon-plugin-2-5-7-cross-site-scripting-xss-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Subscriber Cross Site Scripting (XSS) in EventON <= 2.5.7 versions.", "supportingMedia": [{"type": "text/html", "value": "Subscriber Cross Site Scripting (XSS) in EventON <= 2.5.7 versions.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-09-10T14:23:44.073Z"}}}, "cveMetadata": {"cveId": "CVE-2026-81791", "state": "PUBLISHED", "dateUpdated": "2026-09-10T15:08:51.334Z", "dateReserved": "2026-08-27T12:24:31.287Z", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "datePublished": "2026-09-10T14:23:44.073Z", "assignerShortName": "Patchstack"}, "dataVersion": "5.2"}