An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A Reflected Cross-Site Scripting (XSS) vulnerability exists in the /h/rest endpoint, allowing authenticated attackers to inject and execute arbitrary JavaScript in a victim's session. Exploitation requires a valid auth token and involves a crafted URL with manipulated query parameters that triggers XSS when accessed by a victim.
{
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/27xxx/CVE-2025-27914.json"
}{
"cpe": [
"cpe:2.3:a:zimbra:collaboration:9.0.0:-:*:*:*:*:*:*",
"cpe:2.3:a:zimbra:collaboration:10.1.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "9.0.0-NA"
},
{
"last_affected": "9.0.0-NA"
},
{
"introduced": "10.1.0"
},
{
"last_affected": "10.1.0"
}
],
"source": "CPE_STRING"
}