VDB-215637 · CVE-2022-23519 · GHSA-9h9g-93gc-623h

rails-html-sanitizer 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.
5.6	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in rails-html-sanitizer. This issue affects some unknown processing. Performing a manipulation results in cross site scripting. This vulnerability is reported as CVE-2022-23519. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in rails-html-sanitizer (affected version not known). It has been classified as problematic. This affects some unknown functionality. 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:

rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Prior to version 1.4.4, a possible XSS vulnerability with certain configurations of Rails::Html::Sanitizer may allow an attacker to inject content if the application developer has overridden the sanitizer's allowed tags in either of the following ways: allow both "math" and "style" elements, or allow both "svg" and "style" elements. Code is only impacted if allowed tags are being overridden. . This issue is fixed in version 1.4.4. All users overriding the allowed tags to include "math" or "svg" and "style" should either upgrade or use the following workaround immediately: Remove "style" from the overridden allowed tags, or remove "math" and "svg" from the overridden allowed tags.

The weakness was disclosed 12/13/2022. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2022-23519 since 01/19/2022. 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.

The vulnerability scanner Nessus provides a plugin with the ID 207899 (Debian dla-3902 : ruby-rails-html-sanitizer - security update), which helps to determine the existence of the flaw in a target environment.

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 Tenable (207899). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

rails-html-sanitizer

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

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

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 7.2
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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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
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Nessus ID: 207899
Nessus Name: Debian dla-3902 : ruby-rails-html-sanitizer - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/19/2022 🔍
12/13/2022 +328 days 🔍
12/13/2022 +0 days 🔍
11/05/2025 +1058 days 🔍

Sourcesinfo

Advisory: GHSA-9h9g-93gc-623h
Status: Confirmed

CVE: CVE-2022-23519 (🔍)
GCVE (CVE): GCVE-0-2022-23519
GCVE (VulDB): GCVE-100-215637

Entryinfo

Created: 12/13/2022 23:04
Updated: 11/05/2025 13:49
Changes: 12/13/2022 23:04 (34), 01/09/2023 08:16 (2), 01/09/2023 08:17 (21), 01/09/2023 08:20 (1), 09/29/2024 04:50 (17), 02/14/2025 00:26 (1), 04/28/2025 15:53 (3), 11/05/2025 13:49 (1)
Complete: 🔍
Cache ID: 216::103

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