VDB-359061 · CVE-2026-3837 · EUVD-2026-25088

Frappe 16.10.0 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.
3.9	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Frappe 16.10.0 and classified as problematic. Affected is an unknown function. Performing a manipulation results in cross site scripting. This vulnerability is identified as CVE-2026-3837. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Frappe 16.10.0. It has been classified as problematic. This affects an unknown part. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

An authenticated attacker can persist crafted values in multiple field types and trigger client-side script execution when another user opens the affected document in Desk. The vulnerable formatter implementations interpolate stored values into raw HTML attributes and element content without escaping This issue affects Frappe: 16.10.0.

The weakness was released by Oscar Uribe. The advisory is shared at fluidattacks.com. This vulnerability is uniquely identified as CVE-2026-3837 since 03/09/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The exploitation needs additional levels of successful authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

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-2026-25088). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Frappe

Version

16.10.0

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: 3.9
VulDB Meta Temp Score: 3.9

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

NVD Base Score: 5.4
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: 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

03/09/2026 CVE reserved
04/22/2026 +43 days Advisory disclosed
04/22/2026 +0 days VulDB entry created
05/17/2026 +25 days VulDB entry last update

Sourcesinfo

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

CVE: CVE-2026-3837 (🔒)
GCVE (CVE): GCVE-0-2026-3837
GCVE (VulDB): GCVE-100-359061
EUVD: 🔒

Entryinfo

Created: 04/22/2026 22:32
Updated: 05/17/2026 09:05
Changes: 04/22/2026 22:32 (64), 04/23/2026 02:16 (1), 05/17/2026 09:05 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.