VDB-233234 · CVE-2023-34192 · GCVE-0-2023-34192

Synacor Zimbra Collaboration 8.8.15 /h/autoSaveDraft 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.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Synacor Zimbra Collaboration 8.8.15. Affected by this issue is some unknown functionality of the file /h/autoSaveDraft. Such manipulation leads to cross site scripting. This vulnerability is traded as CVE-2023-34192. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Synacor Zimbra Collaboration 8.8.15 (Groupware Software). It has been rated as problematic. Affected by this issue is an unknown functionality of the file /h/autoSaveDraft. 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:

Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.

The weakness was shared 07/06/2023. The advisory is available at wiki.zimbra.com. This vulnerability is handled as CVE-2023-34192 since 05/30/2023. Successful exploitation requires user interaction by the victim. Technical details as well as a exploit are known. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

It is declared as attacked. This issue was added on 02/25/2025 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 03/18/2025:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Groupware Software

Vendor

Synacor

Name

Zimbra Collaboration

Version

8.8.15

License

free

Website

Vendor: https://synacor.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 9.0
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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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: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

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

05/30/2023 🔍
07/06/2023 +37 days 🔍
07/06/2023 +0 days 🔍
02/25/2025 +600 days 🔍

Sourcesinfo

Vendor: synacor.com

Advisory: wiki.zimbra.com
Status: Confirmed

CVE: CVE-2023-34192 (🔍)
GCVE (CVE): GCVE-0-2023-34192
GCVE (VulDB): GCVE-100-233234
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/06/2023 19:23
Updated: 02/25/2025 20:37
Changes: 07/06/2023 19:23 (39), 07/25/2023 07:59 (11), 02/25/2025 20:37 (27)
Complete: 🔍
Cache ID: 216::103