VDB-316020 · CVE-2025-53371 · EUVD-2025-21013

miraheze DiscordNotifications on MediaWiki HTTP POST Request file_get_contents wgDiscordIncomingWebhookUrl resource consumption

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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in miraheze DiscordNotifications on MediaWiki. Affected by this issue is the function file_get_contents of the component HTTP POST Request Handler. The manipulation of the argument wgDiscordIncomingWebhookUrl results in resource consumption. This vulnerability is known as CVE-2025-53371. It is possible to launch the attack remotely. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in miraheze DiscordNotifications on MediaWiki (unknown version). Affected is the function file_get_contents of the component HTTP POST Request Handler. The manipulation of the argument wgDiscordIncomingWebhookUrl with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. CVE summarizes:

DiscordNotifications is an extension for MediaWiki that sends notifications of actions in your Wiki to a Discord channel. DiscordNotifications allows sending requests via curl and file_get_contents to arbitrary URLs set via $wgDiscordIncomingWebhookUrl and $wgDiscordAdditionalIncomingWebhookUrls. This allows for DOS by causing the server to read large files. SSRF is also possible if there are internal unprotected APIs that can be accessed using HTTP POST requests, which could also possibly lead to RCE. This vulnerability is fixed in commit 1f20d850cbcce5b15951c7c6127b87b927a5415e.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2025-53371 since 06/27/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

Applying the patch 1f20d850cbcce5b15951c7c6127b87b927a5415e is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-21013). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

miraheze

Name

DiscordNotifications

Website

Product: https://github.com/miraheze/DiscordNotifications/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.1
CNA Vector (GitHub_M): 🔒

CVSSv2info

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

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
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: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 1f20d850cbcce5b15951c7c6127b87b927a5415e

Timelineinfo

06/27/2025 CVE reserved
07/10/2025 +13 days Advisory disclosed
07/10/2025 +0 days VulDB entry created
07/10/2025 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2025-53371 (🔒)
GCVE (CVE): GCVE-0-2025-53371
GCVE (VulDB): GCVE-100-316020
EUVD: 🔒

Entryinfo

Created: 07/10/2025 19:47
Updated: 07/10/2025 20:08
Changes: 07/10/2025 19:47 (66), 07/10/2025 20:08 (1)
Complete: 🔍
Cache ID: 216::103