Frappe 16.10.10 Tag _user_tags cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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2.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Frappe 16.10.10. This impacts an unknown function of the component Tag Handler. Such manipulation of the argument _user_tags leads to cross site scripting. This vulnerability is referenced as CVE-2026-3673. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Frappe 16.10.10 and classified as problematic. Affected by this issue is some unknown functionality of the component Tag Handler. The manipulation of the argument _user_tags 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 authenticated attacker can store a crafted tag value in _user_tags and trigger JavaScript execution when a victim opens the list/report view where tags are rendered. The vulnerable renderer interpolates tag content into HTML attributes and element content without escaping. This issue affects Frappe: 16.10.10.

The weakness was published by Oscar Uribe. The advisory is shared for download at fluidattacks.com. This vulnerability is handled as CVE-2026-3673 since 03/06/2026. The exploitation is known to be easy. The attack may be launched remotely. The exploitation requires an enhanced level of successful authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 2.4
VulDB Meta Temp Score: 2.4

VulDB Base Score: 2.4
VulDB Temp Score: 2.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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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: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/06/2026 CVE reserved
04/22/2026 +46 days Advisory disclosed
04/22/2026 +0 days VulDB entry created
04/22/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: fluidattacks.com
Researcher: Oscar Uribe
Status: Not defined

CVE: CVE-2026-3673 (🔒)
GCVE (CVE): GCVE-0-2026-3673
GCVE (VulDB): GCVE-100-359060

Entryinfo

Created: 04/22/2026 22:31
Changes: 04/22/2026 22:31 (66)
Complete: 🔍
Cache ID: 216::103

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