CVE-2026-8423 (GCVE-0-2026-8423)
Vulnerability from cvelistv5 – Published: 2026-05-20 01:25 – Updated: 2026-05-20 15:45
VLAI
Title
JaviBola Custom Theme Test <= 2.0.5 - Cross-Site Request Forgery
Summary
The JaviBola Custom Theme Test plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.5. This is due to missing or incorrect nonce validation on the options page. This makes it possible for unauthenticated attackers to change the site's active theme by modifying the jbct_theme option via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| javibola | JaviBola Custom Theme Test |
Affected:
0 , ≤ 2.0.5
(semver)
|
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-8423",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-20T13:01:46.393199Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-20T15:45:24.127Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "JaviBola Custom Theme Test",
"vendor": "javibola",
"versions": [
{
"lessThanOrEqual": "2.0.5",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Muhammad Nur Ibnu Hubab"
}
],
"descriptions": [
{
"lang": "en",
"value": "The JaviBola Custom Theme Test plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.5. This is due to missing or incorrect nonce validation on the options page. This makes it possible for unauthenticated attackers to change the site\u0027s active theme by modifying the jbct_theme option 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": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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": "2026-05-20T01:25:49.539Z",
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
},
"references": [
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/68a8a277-2ea6-4d75-b8cd-4d20eb17b3aa?source=cve"
},
{
"url": "https://plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-custom-theme.php#L41"
},
{
"url": "https://plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javibola-custom-theme.php#L41"
},
{
"url": "https://plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-custom-theme.php#L40"
},
{
"url": "https://plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javibola-custom-theme.php#L40"
},
{
"url": "https://plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-custom-theme.php#L54"
},
{
"url": "https://plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javibola-custom-theme.php#L54"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-05-19T12:07:03.000Z",
"value": "Disclosed"
}
],
"title": "JaviBola Custom Theme Test \u003c= 2.0.5 - Cross-Site Request Forgery"
}
},
"cveMetadata": {
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"assignerShortName": "Wordfence",
"cveId": "CVE-2026-8423",
"datePublished": "2026-05-20T01:25:49.539Z",
"dateReserved": "2026-05-12T17:48:27.843Z",
"dateUpdated": "2026-05-20T15:45:24.127Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-8423",
"date": "2026-06-24",
"epss": "0.00179",
"percentile": "0.07573"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-8423\",\"sourceIdentifier\":\"security@wordfence.com\",\"published\":\"2026-05-20T02:16:40.260\",\"lastModified\":\"2026-05-20T13:54:54.890\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The JaviBola Custom Theme Test plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.5. This is due to missing or incorrect nonce validation on the options page. This makes it possible for unauthenticated attackers to change the site\u0027s active theme by modifying the jbct_theme option via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@wordfence.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"security@wordfence.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-352\"}]}],\"references\":[{\"url\":\"https://plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javibola-custom-theme.php#L40\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javibola-custom-theme.php#L41\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javibola-custom-theme.php#L54\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-custom-theme.php#L40\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-custom-theme.php#L41\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-custom-theme.php#L54\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://www.wordfence.com/threat-intel/vulnerabilities/id/68a8a277-2ea6-4d75-b8cd-4d20eb17b3aa?source=cve\",\"source\":\"security@wordfence.com\"}]}}",
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-8423\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-20T13:01:46.393199Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-20T13:01:51.110Z\"}}], \"cna\": {\"title\": \"JaviBola Custom Theme Test \u003c= 2.0.5 - Cross-Site Request Forgery\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Muhammad Nur Ibnu Hubab\"}], \"metrics\": [{\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 4.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N\"}}], \"affected\": [{\"vendor\": \"javibola\", \"product\": \"JaviBola Custom Theme Test\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"2.0.5\"}], \"defaultStatus\": \"unaffected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-05-19T12:07:03.000Z\", \"value\": \"Disclosed\"}], \"references\": [{\"url\": \"https://www.wordfence.com/threat-intel/vulnerabilities/id/68a8a277-2ea6-4d75-b8cd-4d20eb17b3aa?source=cve\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-custom-theme.php#L41\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javibola-custom-theme.php#L41\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-custom-theme.php#L40\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javibola-custom-theme.php#L40\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/javibola-custom-theme/trunk/javibola-custom-theme.php#L54\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/javibola-custom-theme/tags/2.0.5/javibola-custom-theme.php#L54\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"The JaviBola Custom Theme Test plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.5. This is due to missing or incorrect nonce validation on the options page. This makes it possible for unauthenticated attackers to change the site\u0027s active theme by modifying the jbct_theme option 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\": \"2026-05-20T01:25:49.539Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-8423\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-20T15:45:24.127Z\", \"dateReserved\": \"2026-05-12T17:48:27.843Z\", \"assignerOrgId\": \"b15e7b5b-3da4-40ae-a43c-f7aa60e62599\", \"datePublished\": \"2026-05-20T01:25:49.539Z\", \"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…
Loading…