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2 vulnerabilities found for WPML Multilingual CMS by OnTheGoSystems
CVE-2023-54413 (GCVE-0-2023-54413)
Vulnerability from nvd – Published: 2026-10-22 10:57 – Updated: 2026-10-22 10:57 X_Known Exploited Vulnerability
VLAI
EPSS
VEX
Title
WPML Multilingual CMS WordPress Plugin < 4.6.1 Reflected XSS via wp-login.php wp_lang
Summary
WPML Multilingual CMS plugin for WordPress before 4.6.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying crafted input in the wp_lang parameter. Attackers can lure users to /wp-login.php with a wp_lang value injecting an image input with an obfuscated onfocus handler to execute JavaScript in the victim's browser. Exploitation evidence was first observed by the Shadowserver Foundation on 2025-11-12.
Severity
6.1 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://wpml.org/changelog/2023/03/wpml-4-6-1-imp… | vendor-advisory |
| https://wpscan.com/vulnerability/b9cc519c-7ec2-42… | third-party-advisory |
| https://github.com/projectdiscovery/nuclei-templa… | technical-description |
| https://www.vulncheck.com/advisories/wpml-multili… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OnTheGoSystems | WPML Multilingual CMS |
Affected:
0 , < 4.6.1
(custom)
|
Date Public
2023-03-16 00:00
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "WPML Multilingual CMS",
"vendor": "OnTheGoSystems",
"versions": [
{
"lessThan": "4.6.1",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Deepak kumar"
},
{
"lang": "en",
"type": "finder",
"value": "0xcharan"
},
{
"lang": "en",
"type": "reporter",
"value": "The Shadowserver Foundation"
}
],
"datePublic": "2023-03-16T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "WPML Multilingual CMS plugin for WordPress before 4.6.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying crafted input in the wp_lang parameter. Attackers can lure users to /wp-login.php with a wp_lang value injecting an image input with an obfuscated onfocus handler to execute JavaScript in the victim\u0027s browser. Exploitation evidence was first observed by the Shadowserver Foundation on 2025-11-12."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 5.1,
"baseSeverity": "MEDIUM",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "LOW",
"userInteraction": "ACTIVE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-22T10:57:35.997Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "WPML 4.6.1 \u2013 Important Security Update",
"tags": [
"vendor-advisory"
],
"url": "https://wpml.org/changelog/2023/03/wpml-4-6-1-important-security-update/"
},
{
"name": "WPScan Advisory",
"tags": [
"third-party-advisory"
],
"url": "https://wpscan.com/vulnerability/b9cc519c-7ec2-42c3-9f42-01e928e12139/"
},
{
"name": "Nuclei Template",
"tags": [
"technical-description"
],
"url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/wpml-multilingual-cms-xss.yaml"
},
{
"name": "VulnCheck Advisory: WPML Multilingual CMS WordPress Plugin \u003c 4.6.1 Reflected XSS via wp-login.php wp_lang",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/wpml-multilingual-cms-wordpress-plugin-4.6.1-reflected-xss-via-wp-login-php-wp-lang"
}
],
"source": {
"discovery": "UNKNOWN"
},
"tags": [
"x_known-exploited-vulnerability"
],
"title": "WPML Multilingual CMS WordPress Plugin \u003c 4.6.1 Reflected XSS via wp-login.php wp_lang",
"x_generator": {
"engine": "vulncheck-kclub"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2023-54413",
"datePublished": "2026-10-22T10:57:35.997Z",
"dateReserved": "2026-10-14T20:25:30.814Z",
"dateUpdated": "2026-10-22T10:57:35.997Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2023-54413 (GCVE-0-2023-54413)
Vulnerability from cvelistv5 – Published: 2026-10-22 10:57 – Updated: 2026-10-22 10:57 X_Known Exploited Vulnerability
VLAI
EPSS
VEX
Title
WPML Multilingual CMS WordPress Plugin < 4.6.1 Reflected XSS via wp-login.php wp_lang
Summary
WPML Multilingual CMS plugin for WordPress before 4.6.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying crafted input in the wp_lang parameter. Attackers can lure users to /wp-login.php with a wp_lang value injecting an image input with an obfuscated onfocus handler to execute JavaScript in the victim's browser. Exploitation evidence was first observed by the Shadowserver Foundation on 2025-11-12.
Severity
6.1 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://wpml.org/changelog/2023/03/wpml-4-6-1-imp… | vendor-advisory |
| https://wpscan.com/vulnerability/b9cc519c-7ec2-42… | third-party-advisory |
| https://github.com/projectdiscovery/nuclei-templa… | technical-description |
| https://www.vulncheck.com/advisories/wpml-multili… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OnTheGoSystems | WPML Multilingual CMS |
Affected:
0 , < 4.6.1
(custom)
|
Date Public
2023-03-16 00:00
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "WPML Multilingual CMS",
"vendor": "OnTheGoSystems",
"versions": [
{
"lessThan": "4.6.1",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Deepak kumar"
},
{
"lang": "en",
"type": "finder",
"value": "0xcharan"
},
{
"lang": "en",
"type": "reporter",
"value": "The Shadowserver Foundation"
}
],
"datePublic": "2023-03-16T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "WPML Multilingual CMS plugin for WordPress before 4.6.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying crafted input in the wp_lang parameter. Attackers can lure users to /wp-login.php with a wp_lang value injecting an image input with an obfuscated onfocus handler to execute JavaScript in the victim\u0027s browser. Exploitation evidence was first observed by the Shadowserver Foundation on 2025-11-12."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 5.1,
"baseSeverity": "MEDIUM",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "LOW",
"userInteraction": "ACTIVE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-22T10:57:35.997Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "WPML 4.6.1 \u2013 Important Security Update",
"tags": [
"vendor-advisory"
],
"url": "https://wpml.org/changelog/2023/03/wpml-4-6-1-important-security-update/"
},
{
"name": "WPScan Advisory",
"tags": [
"third-party-advisory"
],
"url": "https://wpscan.com/vulnerability/b9cc519c-7ec2-42c3-9f42-01e928e12139/"
},
{
"name": "Nuclei Template",
"tags": [
"technical-description"
],
"url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/wpml-multilingual-cms-xss.yaml"
},
{
"name": "VulnCheck Advisory: WPML Multilingual CMS WordPress Plugin \u003c 4.6.1 Reflected XSS via wp-login.php wp_lang",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/wpml-multilingual-cms-wordpress-plugin-4.6.1-reflected-xss-via-wp-login-php-wp-lang"
}
],
"source": {
"discovery": "UNKNOWN"
},
"tags": [
"x_known-exploited-vulnerability"
],
"title": "WPML Multilingual CMS WordPress Plugin \u003c 4.6.1 Reflected XSS via wp-login.php wp_lang",
"x_generator": {
"engine": "vulncheck-kclub"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2023-54413",
"datePublished": "2026-10-22T10:57:35.997Z",
"dateReserved": "2026-10-14T20:25:30.814Z",
"dateUpdated": "2026-10-22T10:57:35.997Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}