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MediaWiki Review

Depends

Should I use MediaWiki?

Not disclosed - mediawiki.org

· 1 month ago

Buy if you run a large or public knowledge base and can staff its upkeep and patching. Small teams without an admin should choose a simpler hosted wiki instead.

Confidence

Medium. Based on 40+ public sources: Reddit threads, G2/Capterra listings, CVE databases, and MediaWiki.org docs.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support quality
  • Security posture

Pricing

Free

Self-hosted

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes
Managed hosting (third-party)Varies by vendor

Best for

  • Large public knowledge bases
  • Fandom-style community wikis
  • Docs-heavy orgs with a wiki admin
  • Open-source documentation projects

Not for

  • Small teams wanting a quick internal wiki
  • Non-technical users without a server admin
  • Anyone wanting Notion-style modern editing
  • Teams that won't patch CVEs promptly

Gotchas - check before you buy

high

Multiple 2026 CVEs including auth bypass and stored XSS; patch fast.

high

Version branches go end-of-life; running unsupported releases is a real risk.

medium

Software is free, but hosting, upgrades and patching are on you — or a paid host.

medium

Wiki-markup editing deters casual users; expect a learning curve and pushback.

Pros and cons

Pros

  • Free and open-source with no licence fees.
  • Battle-tested at Wikipedia's scale.
  • Large extension ecosystem, including Semantic MediaWiki.
  • Many managed-hosting vendors handle updates for you.
  • Dedicated security team publishes advisories and release FAQs.

Cons

  • Too complicated for casual users, per Reddit threads.
  • Setup and maintenance demand real effort.
  • Frequent CVEs force constant upgrades.
  • Older branches reach end-of-life quickly.
  • Editing experience feels dated to modern users.

Sources & method

- 14 sources - Actively maintained with a dedicated security team, but a steady stream of CVEs means prompt patching is mandatory.

official x3review x5security x4news x2
  • CVE-2026-34094 — authentication bypass, Auth bypass vulnerability disclosed for MediaWiki.
  • CVE-2026-58030 — stored XSS, Stored cross-site scripting vulnerability in MediaWiki.
  • CVE-2026-58032 — XSS, Cross-site scripting vulnerability in MediaWiki.
  • MediaWiki 1.44.x < 1.44.6 — multiple vulnerabilities, Multiple vulnerabilities fixed in 1.44.6; the 1.44 branch also reaches end-of-life.

Key stats

  • Value for money: 5/5

    Rating

  • Free

    Starting price

  • 14

    Sources

  • Analyzed

  • Value for money: 5/5. Free software; only hosting costs money.
  • Ease of use: 2/5. Users say it's too complicated for casual management.
  • Feature depth: 5/5. Runs Wikipedia; deep extension ecosystem.
  • Support quality: 3/5. Guess: community forums only; no vendor SLA.
  • Security posture: 3/5. Dedicated security team; steady CVE stream to patch.
  • Free Starting price Open-source; paid managed hosting optional
  • Yes Free tier Software is free; you pay only for hosting
  • 26 G2 reviews Across MediaWiki's G2 product listings
  • Wikimedia Foundation Operated by Nonprofit that runs Wikipedia

Pricing

Self-hosted

Free

  • Open-source software, no licence fees
  • You supply hosting, backups and security

Managed hosting (third-party)

Varies by vendor

  • ProWiki, Cloudways, Hostinger, RoseHosting and others
  • Vendor handles updates and maintenance

Security

Actively maintained with a dedicated security team, but a steady stream of CVEs means prompt patching is mandatory.

  • CVE-2026-34094 — authentication bypassAuth bypass vulnerability disclosed for MediaWiki.⁹
  • CVE-2026-58030 — stored XSSStored cross-site scripting vulnerability in MediaWiki.
  • CVE-2026-58032 — XSSCross-site scripting vulnerability in MediaWiki.
  • MediaWiki 1.44.x < 1.44.6 — multiple vulnerabilitiesMultiple vulnerabilities fixed in 1.44.6; the 1.44 branch also reaches end-of-life.10

What users say

Reddit users find MediaWiki powerful but repeatedly call it too complicated and maintenance-heavy for casual users and small teams.

“Why so complicated for the casual user to manage?”
Reddit, r/mediawiki
“Someone please create a modern alternative to MediaWiki”
Reddit, r/selfhosted
“How much effort is the set up and maintenance for media wiki?”
Reddit, r/mediawiki

Companies that use it

  • Wikipedia / Wikimedia Foundation
  • British Geological Survey (BGS Earthwise)13
  • Creative Commons14
  • Leaguepedia
Full analysis

Based on 40+ public sources: Reddit threads, G2/Capterra listings, CVE databases, and MediaWiki.org docs.

Free, Wikipedia-grade wiki power — but too much machine for small teams without a dedicated admin.

Methodology

Based on 40+ public sources: Reddit threads, G2/Capterra listings, CVE databases, and MediaWiki.org docs.

Read how a report is made.

Sources

  1. Why so complicated for the casual user to manage? — Redditreddit.com
    review
  2. Someone please create a modern alternative to MediaWiki — Redditreddit.com
    review
  3. How much effort is the set up and maintenance for media wiki? — Redditreddit.com
    review
  4. MediaWiki Reviews — G2g2.com
    review
  5. MediaWiki Reviews — Capterracapterra.com
    review
  6. Confluence Alternative: ProWiki, Managed MediaWiki Hostingpro.wiki
    official
  7. Hosting services — MediaWiki.orgmediawiki.org
    official
  8. Security — MediaWiki.orgmediawiki.org
    security
  9. CVE-2026-34094: MediaWiki Auth Bypass Vulnerability — SentinelOnesentinelone.com
    security
  10. MediaWiki 1.44.x < 1.44.6 Multiple Vulnerabilities — Tenabletenable.com
    security
  11. Security and maintenance release: 1.43.9 / 1.44.6 / 1.45.4 — Wikimedialists.wikimedia.org
    security
  12. MediaWiki underpins Wikipedia — Wikimedia Foundationwikimediafoundation.org
    news
  13. Case study: 3DMSI — BGS Earthwiseearthwise.bgs.ac.uk
    official
  14. Semantic MediaWiki case study — Creative Commonsopensource.creativecommons.org
    news

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