VDB-253580 · CVE-2023-45206 · EUVD-2023-49513

Zimbra Collaboration Suite 8.8.15/9.0/10.0 Document Endpoint cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Zimbra Collaboration Suite 8.8.15/9.0/10.0. This affects an unknown function of the component Document Endpoint. Such manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2023-45206. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Zimbra Collaboration Suite 8.8.15/9.0/10.0 (Groupware Software) and classified as problematic. Affected by this issue is an unknown code block of the component Document Endpoint. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15, 9.0, and 10.0. Through the help document endpoint in webmail, an attacker can inject JavaScript or HTML code that leads to cross-site scripting (XSS). (Adding an adequate message to avoid malicious code will mitigate this issue.)

The weakness was published 02/13/2024. The advisory is shared for download at wiki.zimbra.com. This vulnerability is handled as CVE-2023-45206 since 10/05/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-49513). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Groupware Software

Name

Zimbra Collaboration Suite

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/05/2023 🔍
02/13/2024 +131 days 🔍
02/13/2024 +0 days 🔍
02/09/2026 +727 days 🔍

Sourcesinfo

Advisory: wiki.zimbra.com
Status: Confirmed

CVE: CVE-2023-45206 (🔍)
GCVE (CVE): GCVE-0-2023-45206
GCVE (VulDB): GCVE-100-253580
EUVD: 🔍

Entryinfo

Created: 02/13/2024 17:55
Updated: 02/09/2026 13:57
Changes: 02/13/2024 17:55 (38), 10/07/2024 20:51 (27), 04/19/2025 21:16 (3), 02/09/2026 13:57 (1)
Complete: 🔍
Cache ID: 216::103