CVE-2026-14358
Stored XSS in Wikimedia Chart pie tooltip via Data:*.tab field title
Description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Charts Extension allows Cross-Site Scripting (XSS). This issue affects Mediawiki - Charts Extension: from * before 1.43.9,1.44.6,1.45.4.
INFO
Published Date :
July 1, 2026, 7:16 p.m.
Last Modified :
July 9, 2026, 6:44 p.m.
Remotely Exploit :
Yes !
Source :
c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc | ||||
| CVSS 4.0 | MEDIUM | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc |
Solution
- Update the Charts Extension to version 1.43.9 or later.
- Update the Charts Extension to version 1.44.6 or later.
- Update the Charts Extension to version 1.45.4 or later.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-14358.
| URL | Resource |
|---|---|
| https://gerrit.wikimedia.org/r/q/Ibdaa7c852ae83f562e84dddc9c96ad64e2152210 | Issue Tracking |
| https://phabricator.wikimedia.org/T430548 | Issue Tracking |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-14358 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-14358
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-14358 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-14358 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 09, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Added CPE Configuration OR *cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* versions from (including) 1.44.0 up to (excluding) 1.44.6 *cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* versions from (including) 1.45.0 up to (excluding) 1.45.4 *cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* versions from (including) 1.43.0 up to (excluding) 1.43.9 Added Reference Type wikimedia-foundation: https://gerrit.wikimedia.org/r/q/Ibdaa7c852ae83f562e84dddc9c96ad64e2152210 Types: Issue Tracking Added Reference Type wikimedia-foundation: https://phabricator.wikimedia.org/T430548 Types: Issue Tracking -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 01, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-14358', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-01T19:24:03.882806Z'} -
New CVE Received by c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Jul. 01, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'The Wikimedia Foundation', 'product': 'Mediawiki - Charts Extension', 'versions': [{'status': 'affected', 'version': '*', 'lessThan': '1.43.9,1.44.6,1.45.4', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] Added Description Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Charts Extension allows Cross-Site Scripting (XSS). This issue affects Mediawiki - Charts Extension: from * before 1.43.9,1.44.6,1.45.4. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-79 Added Reference https://gerrit.wikimedia.org/r/q/Ibdaa7c852ae83f562e84dddc9c96ad64e2152210 Added Reference https://phabricator.wikimedia.org/T430548