CVE-2026-8906 (GCVE-0-2026-8906)
Vulnerability from cvelistv5 – Published: 2026-05-27 07:45 – Updated: 2026-05-27 10:28
VLAI
EPSS
VEX
Title
WP Promoter <= 1.3 - Cross-Site Request Forgery to Stored Cross-Site Scripting via 'popup_width' Parameter
Summary
The WP Promoter plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.3. This is due to missing or incorrect nonce validation on a function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-27 10:15 UTC
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| rahulbhangale | WP Promoter |
Affected:
0 , ≤ 1.3
(semver)
|
guessed |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-8906",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-27T10:15:15.462427Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-27T10:28:05.137Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "WP Promoter",
"vendor": "rahulbhangale",
"versions": [
{
"lessThanOrEqual": "1.3",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Muhammad Nur Ibnu Hubab"
}
],
"descriptions": [
{
"lang": "en",
"value": "The WP Promoter plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.3. This is due to missing or incorrect nonce validation on a function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-352",
"description": "CWE-352 Cross-Site Request Forgery (CSRF)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-27T07:45:55.955Z",
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
},
"references": [
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/8451fe09-4280-49ef-b088-698cbf40b86b?source=cve"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-promoter/tags/1.3/admin-wp-promoter.php#L45"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-promoter/tags/1.3/admin-wp-promoter.php#L64"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-promoter/tags/1.3/admin-wp-promoter.php#L66"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-promoter/tags/1.3/admin-wp-promoter.php#L120"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-05-26T19:07:52.000Z",
"value": "Disclosed"
}
],
"title": "WP Promoter \u003c= 1.3 - Cross-Site Request Forgery to Stored Cross-Site Scripting via \u0027popup_width\u0027 Parameter"
}
},
"cveMetadata": {
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"assignerShortName": "Wordfence",
"cveId": "CVE-2026-8906",
"datePublished": "2026-05-27T07:45:55.955Z",
"dateReserved": "2026-05-18T21:28:09.129Z",
"dateUpdated": "2026-05-27T10:28:05.137Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-8906",
"date": "2026-09-16",
"epss": "0.00119",
"percentile": "0.02026"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-8906\",\"sourceIdentifier\":\"security@wordfence.com\",\"published\":\"2026-05-27T08:16:45.663\",\"lastModified\":\"2026-06-17T11:04:36.487\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The WP Promoter plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.3. This is due to missing or incorrect nonce validation on a function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.\"}],\"affected\":[{\"source\":\"security@wordfence.com\",\"affectedData\":[{\"vendor\":\"rahulbhangale\",\"product\":\"WP Promoter\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"1.3\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@wordfence.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N\",\"baseScore\":6.1,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":2.7}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-05-27T10:15:15.462427Z\",\"id\":\"CVE-2026-8906\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"security@wordfence.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-352\"}]}],\"references\":[{\"url\":\"https://plugins.trac.wordpress.org/browser/wp-promoter/tags/1.3/admin-wp-promoter.php#L120\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/wp-promoter/tags/1.3/admin-wp-promoter.php#L45\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/wp-promoter/tags/1.3/admin-wp-promoter.php#L64\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/wp-promoter/tags/1.3/admin-wp-promoter.php#L66\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://www.wordfence.com/threat-intel/vulnerabilities/id/8451fe09-4280-49ef-b088-698cbf40b86b?source=cve\",\"source\":\"security@wordfence.com\"}]}}",
"redhat_vex": {
"current_release_date": "2026-06-05T19:24:25+00:00",
"cve": "CVE-2026-8906",
"id": "CVE-2026-8906",
"initial_release_date": "2026-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "WP Promoter \u003c= 1.3 - Cross-Site Request Forgery to Stored Cross-Site Scripting via \u0027popup_width\u0027 Parameter",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8906.json",
"version": "3"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-8906\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-27T10:15:15.462427Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-27T10:27:59.912Z\"}}], \"cna\": {\"title\": \"WP Promoter \u003c= 1.3 - Cross-Site Request Forgery to Stored Cross-Site Scripting via \u0027popup_width\u0027 Parameter\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Muhammad Nur Ibnu Hubab\"}], \"metrics\": [{\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 6.1, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N\"}}], \"affected\": [{\"vendor\": \"rahulbhangale\", \"product\": \"WP Promoter\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"1.3\"}], \"defaultStatus\": \"unaffected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-05-26T19:07:52.000Z\", \"value\": \"Disclosed\"}], \"references\": [{\"url\": \"https://www.wordfence.com/threat-intel/vulnerabilities/id/8451fe09-4280-49ef-b088-698cbf40b86b?source=cve\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/wp-promoter/tags/1.3/admin-wp-promoter.php#L45\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/wp-promoter/tags/1.3/admin-wp-promoter.php#L64\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/wp-promoter/tags/1.3/admin-wp-promoter.php#L66\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/wp-promoter/tags/1.3/admin-wp-promoter.php#L120\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"The WP Promoter plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.3. This is due to missing or incorrect nonce validation on a function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-352\", \"description\": \"CWE-352 Cross-Site Request Forgery (CSRF)\"}]}], \"providerMetadata\": {\"orgId\": \"b15e7b5b-3da4-40ae-a43c-f7aa60e62599\", \"shortName\": \"Wordfence\", \"dateUpdated\": \"2026-05-27T07:45:55.955Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-8906\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-27T10:28:05.137Z\", \"dateReserved\": \"2026-05-18T21:28:09.129Z\", \"assignerOrgId\": \"b15e7b5b-3da4-40ae-a43c-f7aa60e62599\", \"datePublished\": \"2026-05-27T07:45:55.955Z\", \"assignerShortName\": \"Wordfence\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
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.
Loading…
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…