An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A stored cross-site scripting (XSS) vulnerability exists in the Classic Web Client due to insufficient sanitization of HTML content in ICS files. When a user views an e-mail message containing a malicious ICS entry, its embedded JavaScript executes via an ontoggle event inside a <details> tag. This allows an attacker to run arbitrary JavaScript within the victim's session, potentially leading to unauthorized actions such as setting e-mail filters to redirect messages to an attacker-controlled address. As a result, an attacker can perform unauthorized actions on the victim's account, including e-mail redirection and data exfiltration.
Metrics
Affected Vendors & Products
References
History
Wed, 02 Apr 2025 21:00:00 +0000
Type | Values Removed | Values Added |
---|---|---|
First Time appeared |
Zimbra
Zimbra collaboration |
|
CPEs | cpe:2.3:a:zimbra:collaboration:*:*:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:-:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p0:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p10:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p11:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p12:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p13:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p14:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p15:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p16:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p19:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p1:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p20:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p21:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p23:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p24.1:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p24:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p25:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p26:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p27:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p28:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p29:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p2:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p30:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p31:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p32:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p33:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p34:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p35:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p36:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p37:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p38:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p39:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p3:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p40:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p41:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p42:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p43:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p4:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p5:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p6:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p7.1:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p7:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p8:*:*:*:*:*:* cpe:2.3:a:zimbra:collaboration:9.0.0:p9:*:*:*:*:*:* |
|
Vendors & Products |
Zimbra
Zimbra collaboration |
Wed, 12 Mar 2025 16:15:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Weaknesses | CWE-79 | |
Metrics |
cvssV3_1
|
Wed, 12 Mar 2025 14:45:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Description | An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A stored cross-site scripting (XSS) vulnerability exists in the Classic Web Client due to insufficient sanitization of HTML content in ICS files. When a user views an e-mail message containing a malicious ICS entry, its embedded JavaScript executes via an ontoggle event inside a <details> tag. This allows an attacker to run arbitrary JavaScript within the victim's session, potentially leading to unauthorized actions such as setting e-mail filters to redirect messages to an attacker-controlled address. As a result, an attacker can perform unauthorized actions on the victim's account, including e-mail redirection and data exfiltration. | |
References |
|

Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2025-03-12T15:47:06.195Z
Reserved: 2025-03-10T00:00:00.000Z
Link: CVE-2025-27915

Updated: 2025-03-12T15:46:57.370Z

Status : Analyzed
Published: 2025-03-12T15:15:39.900
Modified: 2025-04-02T20:38:25.487
Link: CVE-2025-27915

No data.