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Weblate CVE-2022-24710

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2022-02-25 security-advisories@github.com
5.4
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required.

Exploit ScenarioDerived

A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.7% exploitation probability (EPSS)

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AnalysisAI

Weblate is a copyleft software web-based continuous localization system. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

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.

Affected Packages

pypi weblate fix: 4.11

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in pypi

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

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. Weblate is a copyleft software web-based continuous localization system. Versions prior to 4.11 do not properly neutralize user input used in user name and language fields. Due to this improper neutralization it is possible to perform cross-site scripting via these fields. The issues were fixed in the 4.11 release. Users unable to upgrade are advised to add their own neutralize logic. Affected products include: Weblate. Version information: prior to 4.11.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.4 MEDIUM
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionNVD

Weblate is a copyleft software web-based continuous localization system. Versions prior to 4.11 do not properly neutralize user input used in user name and language fields. Due to this improper neutralization it is possible to perform cross-site scripting via these fields. The issues were fixed in the 4.11 release. Users unable to upgrade are advised to add their own neutralize logic.

Threat Intelligence Overview

EPSS Score
0.7%
Top 50% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.7%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +27
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)NVD

cpe:2.3:a:weblate:weblate:*:*:*:*:*:*:*:*
CVE-2025-68398 CRITICAL
9.1 Dec 18

Improper input validation in Weblate versions prior to 5.15.1 lets a user who can submit translation files or restore pr

CVE-2026-34393 HIGH
8.8 Apr 15

Privilege escalation in Weblate versions prior to 5.17 allows an authenticated low-privileged user to modify sensitive f

CVE-2022-23915 HIGH
8.8 Mar 04

The package weblate from 0 and before 4.11.1 are vulnerable to Remote Code Execution (RCE) via argument injection when u

CVE-2026-86035 HIGH
8.5 Sep 29

Argument injection in Weblate's Mercurial backend lets an authenticated user with project-scoped component.edit permissi

CVE-2026-55228 HIGH
8.1 Aug 26

Weblate's REST API failed to enforce permission scope on team (group) assignments in all versions prior to 2026.7, allow

CVE-2026-33435 HIGH
8.0 Apr 15

Remote code execution in Weblate's project backup restoration affects versions prior to 5.17, exploitable by authenticat

CVE-2026-23535 HIGH
8.0 Jan 16

The wlc Weblate command-line client prior to version 1.17.2 is vulnerable to arbitrary file write attacks through path t

CVE-2026-61792 HIGH
7.7 Aug 26

Arbitrary file read via symlink traversal in Weblate's App store metadata ZIP download affects all versions prior to 202

CVE-2026-34242 HIGH
7.7 Apr 15

Arbitrary file read vulnerability in Weblate versions prior to 5.17 allows authenticated attackers to read sensitive fil

CVE-2026-21889 HIGH
7.5 Jan 14

Weblate versions prior to 5.15.2 expose screenshot images through the web server without authentication controls, enabli

CVE-2026-33220 MEDIUM
6.8 Apr 15

Path traversal in Weblate allows authenticated users to read arbitrary files outside the repository via the translation

CVE-2026-24126 MEDIUM
6.6 Feb 19

Weblate versions up to 5.16.0 contains a vulnerability that allows attackers to an argument injection to `ssh-add` (CVSS

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