Not scored yet
CVE-2026-100382
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Wikimedia Foundation Mediawiki - ExternalData Extension allows OS Command Injection. This issue affects Mediawiki - ExternalData Extension: from * before 3.7.
What this means for your business
- FIRST's prediction model gives it a 0.9% chance of attack attempts being seen in the next 30 days, ranking above 59% of all known flaws.
What to do
- 1Ask your IT team or provider whether any of your systems use the affected product.
- 2If you do, follow the vendor's guidance. No patch reference has been published yet.
Not sure if your company is exposed?
Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.
Scoring
- CVSS
- Not yet scored
- CVSS v4
- 10.0
- Weakness
- CWE-78
- Assigned by
- c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Dates
- Published
- 2026-09-25
- Last modified
- 2026-09-26
- Sources
- NVD