The Optima Express IDX WordPress plugin before 8.7.6 does not properly neutralise a script value submitted through one of its REST endpoints before storing it and echoing it into the document head when the post is rendered, allowing users with a role as low as author to perform Stored Cross-Site Scripting attacks.
PUBLISHED5.2
Optima Express 8.6.0 - 8.7.5 - Author+ Stored XSS via faq_script
Problem type
- CWE-79 Cross-Site Scripting (XSS)
Affected products
Unknown
Optima Express IDX
< 8.7.6 - AFFECTED
References
GitHub Security Advisories
GHSA-xprw-377p-8v85
The Optima Express IDX WordPress plugin before 8.7.6 does not properly neutralise a script value...
https://github.com/advisories/GHSA-xprw-377p-8v85The Optima Express IDX WordPress plugin before 8.7.6 does not properly neutralise a script value submitted through one of its REST endpoints before storing it and echoing it into the document head when the post is rendered, allowing users with a role as low as author to perform Stored Cross-Site Scripting attacks.
JSON source
https://cveawg.mitre.org/api/cve/CVE-2026-96899Click to expand
{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-96899",
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"dateUpdated": "2026-09-27T06:00:22.661Z",
"dateReserved": "2026-09-23T19:55:40.704Z",
"datePublished": "2026-09-27T06:00:22.661Z",
"state": "PUBLISHED"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan",
"dateUpdated": "2026-09-27T06:00:22.661Z"
},
"title": "Optima Express 8.6.0 - 8.7.5 - Author+ Stored XSS via faq_script",
"descriptions": [
{
"lang": "en",
"value": "The Optima Express IDX WordPress plugin before 8.7.6 does not properly neutralise a script value submitted through one of its REST endpoints before storing it and echoing it into the document head when the post is rendered, allowing users with a role as low as author to perform Stored Cross-Site Scripting attacks."
}
],
"affected": [
{
"vendor": "Unknown",
"product": "Optima Express IDX",
"defaultStatus": "unaffected",
"versions": [
{
"version": "8.6.0",
"status": "affected",
"versionType": "semver",
"lessThan": "8.7.6"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "CWE-79 Cross-Site Scripting (XSS)",
"type": "CWE"
}
]
}
],
"references": [
{
"url": "https://wpscan.com/vulnerability/649584c7-0549-4080-92f0-bf4b9e8ee789/",
"tags": [
"exploit",
"vdb-entry",
"technical-description"
]
}
],
"credits": [
{
"lang": "en",
"value": "Usama Arshad",
"type": "finder"
},
{
"lang": "en",
"value": "WPScan",
"type": "coordinator"
}
]
}
}
}