Koha Stored XSS via Purchase Suggestion Handler
Koha before 26.05.02, 25.11.07, and 25.05.13 contains a stored cross-site scripting vulnerability in the purchase suggestion handler that allows authenticated staff users to inject malicious scripts by submitting unsanitized input through the suggestion save operation. Attackers can supply crafted HTML or script content in fields such as title, author, isbn, publishercode, place, collectiontitle, itemtype, and note, which are stored without sanitization and later rendered in the suggestion list template, causing injected scripts to execute in the browser of any staff user who views the suggestions.
CVE-2026-41921
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-2026-41921
Koha
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.
[
{
"vendor": "Koha Community",
"product": "Koha",
"versions": [
{
"status": "affected",
"version": "26.05.0",
"lessThan": "26.05.02",
"versionType": "custom"
},
{
"status": "affected",
"version": "25.11.0",
"lessThan": "25.11.07",
"versionType": "custom"
},
{
"status": "affected",
"version": "25.05.0",
"lessThan": "25.05.13",
"versionType": "custom"
}
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-41921
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #5426 · Revision 1
- Added to Heist Feed
- Publisher date