September 20, 2026

CVE Watchtower

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CVE-2024-23176NVD

Description

An issue was discovered in the MassMessage extension in MediaWiki before 1.40.2. For a Special:MassMessage?uselang=x-xss URL, the i18n key massmessage-form-page-help allows XSS.
Severity Level
MEDIUM (5.4)
Published Date
14/09/2026
Last Modified
14/09/2026
Exploitation Status
????
EPSS Score
0.17% (percentile 6.8%)

CVSS Base Metrics

CVSS v3 (3.1)
MEDIUM 5.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-79 - CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Affected & Patched Versions

ProductAffected VersionsPatched Version
MediaWiki MassMessage0 - < 1.40.2N/A
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⚙️Custom EPSS — Filter noise, focus on risk.
💬Webhooks — Slack & Teams integration.
🚫Ad-Free — Uninterrupted experience.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
⚙️Custom EPSS — Filter noise, focus on risk.
💬Webhooks — Slack & Teams integration.
🚫Ad-Free — Uninterrupted experience.

References