Semantic MediaWiki up to 7.3.1 FacetedSearch OptionsBuilder::profiles cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.30+

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Semantic MediaWiki. This affects the function OptionsBuilder::profiles of the component FacetedSearch. The manipulation leads to cross site scripting. This vulnerability is traded as CVE-2026-126559. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Semantic MediaWiki and classified as problematic. This issue affects the function OptionsBuilder::profiles of the component FacetedSearch. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

Semantic MediaWiki 4.2.0 before 7.4.1 contains a stored cross-site scripting vulnerability in OptionsBuilder::profiles() that allows users with the smw-schemaedit right to inject markup. Attackers can save FACETEDSEARCH_PROFILE_SCHEMA profile keys or labels that break out of option elements, executing scripts for every Special:FacetedSearch visitor including administrators.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-126559 since 11/11/2026. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 7.4.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-123074). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.6
VulDB Meta Temp Score: 3.5

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Semantic MediaWiki 7.4.1

Timelineinfo

11/11/2026 Advisory disclosed
11/11/2026 +0 days CVE reserved
11/11/2026 +0 days VulDB entry created
11/11/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CNA: VulnCheck
CVE: CVE-2026-126559 (🔒)

GCVE (CVE): GCVE-0-2026-126559
GCVE (VulDB): GCVE-100-435569
EUVD: 🔒

Entryinfo

Created: 11/11/2026 04:05
Updated: 11/11/2026 04:59
Changes: 11/11/2026 04:05 (77), 11/11/2026 04:59 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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