Cotonti through 1.0.0 Reflected XSS via message.php lng parameter
Cotonti through 1.0.0 contains a reflected cross-site scripting vulnerability in message.php where the lng parameter is not properly escaped before output in the confirmation dialog. Unauthenticated attackers can craft malicious links with script payloads in the lng parameter to execute arbitrary JavaScript in victim browser sessions.
CVE-2026-100522
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-100522
Cotonti
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/Cotonti/Cotonti",
"vendor": "Cotonti",
"product": "Cotonti",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "1.0.0"
}
],
"packageURL": "pkg:composer/cotonti/cotonti",
"programFiles": [
"message.php"
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-100522
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #3247 · Revision 1
- Added to Heist Feed
- Publisher date