CVE-2026-48942 - Vulnerability Details - OpenCVE

K2 ≤ 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

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

getk2.com

K2 extension for Joomla

unaffected

Version	Status	Constraints
`1.0-2.26`	affected	—

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://www.getk2.org/

History

Thu, 25 Jun 2026 16:30:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 25 Jun 2026 15:45:00 +0000

Type	Values Removed	Values Added
Description		K2 ≤ 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping.
Title		Joomla Extension - getk2.com - Stored-XSS in K2 extension for Joomla < 2.26
Weaknesses		CWE-79
References		https://www.getk2.org/

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: Joomla

Published: 2026-06-25T15:23:38.156Z

Updated: 2026-06-25T17:00:41.345Z

Reserved: 2026-05-26T16:47:13.550Z

Link: CVE-2026-48942

Vulnrichment

Updated: 2026-06-25T15:52:23.391Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-06-25T18:15:04Z

Weaknesses

CWE-79

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48942", "assignerOrgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586", "state": "PUBLISHED", "assignerShortName": "Joomla", "dateReserved": "2026-05-26T16:47:13.550Z", "datePublished": "2026-06-25T15:23:38.156Z", "dateUpdated": "2026-06-25T17:00:41.345Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "K2 extension for Joomla", "vendor": "getk2.com", "versions": [{"status": "affected", "version": "1.0-2.26"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Matan Bahar"}, {"lang": "en", "type": "finder", "value": "Niv Kochan"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "K2 \u2264 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping."}], "value": "K2 \u2264 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586", "shortName": "Joomla", "dateUpdated": "2026-06-25T17:00:41.345Z"}, "references": [{"tags": ["product"], "url": "https://www.getk2.org/"}], "source": {"discovery": "UNKNOWN"}, "title": "Joomla Extension - getk2.com - Stored-XSS in K2 extension for Joomla < 2.26", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-06-25T15:52:10.335054Z", "id": "CVE-2026-48942", "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": "2026-06-25T15:52:26.928Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-48942", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-25T15:52:10.335054Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-25T15:52:23.391Z"}}], "cna": {"title": "Joomla Extension - getk2.com - Stored-XSS in K2 extension for Joomla < 2.26", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Matan Bahar"}, {"lang": "en", "type": "finder", "value": "Niv Kochan"}], "affected": [{"vendor": "getk2.com", "product": "K2 extension for Joomla", "versions": [{"status": "affected", "version": "1.0-2.26"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.getk2.org/", "tags": ["product"]}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "descriptions": [{"lang": "en", "value": "K2 \u2264 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping.", "supportingMedia": [{"type": "text/html", "value": "K2 \u2264 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping.", "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": "6ff30186-7fb7-4ad9-be33-533e7b05e586", "shortName": "Joomla", "dateUpdated": "2026-06-25T17:00:41.345Z"}}}, "cveMetadata": {"cveId": "CVE-2026-48942", "state": "PUBLISHED", "dateUpdated": "2026-06-25T17:00:41.345Z", "dateReserved": "2026-05-26T16:47:13.550Z", "assignerOrgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586", "datePublished": "2026-06-25T15:23:38.156Z", "assignerShortName": "Joomla"}, "dataVersion": "5.2"}