What is the CVSS score of CVE-2017-20188?

CVE-2017-20188 has a CVSS 3.1 base score of 2.6 (Low). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.1%.

Which versions of Zm Ajax are affected by CVE-2017-20188?

CVE-2017-20188 is a low-severity vulnerability in Zimbra zm-ajax involving cross-site scripting (CVSS 2.6).. A patch is available.

How to fix or mitigate CVE-2017-20188?

During next maintenance window: Apply vendor patches when convenient. Verify cross-site scripting controls are in place.

Zm Ajax CVE-2017-20188

LOW

Cross-site Scripting (XSS) (CWE-79)

2024-01-02 cna@vuldb.com

XSS Zm Ajax

2.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

2.6 LOW

AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:33 vuln.today

Patch released

Mar 28, 2026 - 19:33 nvd

Patch available

CVE Published

Jan 02, 2024 - 15:15 nvd

LOW 2.6

DescriptionCVE.org

A vulnerability has been found in Zimbra zm-ajax up to 8.8.1 and classified as problematic. Affected by this vulnerability is the function XFormItem.prototype.setError of the file WebRoot/js/ajax/dwt/xforms/XFormItem.js. The manipulation of the argument message leads to cross site scripting. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 8.8.2 is able to address this issue. The identifier of the patch is 8d039d6efe80780adc40c6f670c06d21de272105. It is recommended to upgrade the affected component. The identifier VDB-249421 was assigned to this vulnerability.

AnalysisAI

A vulnerability has been found in Zimbra zm-ajax up to 8.8.1 and classified as problematic. Rated low severity (CVSS 2.6), this vulnerability is remotely exploitable. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A vulnerability has been found in Zimbra zm-ajax up to 8.8.1 and classified as problematic. Affected by this vulnerability is the function XFormItem.prototype.setError of the file WebRoot/js/ajax/dwt/xforms/XFormItem.js. The manipulation of the argument message leads to cross site scripting. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 8.8.2 is able to address this issue. The identifier of the patch is 8d039d6efe80780adc40c6f670c06d21de272105. It is recommended to upgrade the affected component. The identifier VDB-249421 was assigned to this vulnerability. Affected products include: Zimbra Zm-Ajax. Version information: up to 8.8.1.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.