WebSub (FKA. PubSubHubbub)
Healthy: maintained, last release 21 Aug 2026, 3 releases in 24 months, no unpatched vulnerabilities.
| Ownership | 100 |
|---|---|
| Maintenance | 100 |
| Security | 100 |
| Support | No data |
| Reputation | No data |
Quick answers
- Is WebSub (FKA. PubSubHubbub) still maintained?
- Yes. Last release 21 Aug 2026, 3 releases in the last 24 months. 21 Aug 2026 · wordpress.org
- Who owns WebSub (FKA. PubSubHubbub), and has it changed hands?
- No change recorded. Main committer pfefferle since Jan 2011. 4 Nov 2026 · SVN log
- Was WebSub (FKA. PubSubHubbub) removed from wordpress.org?
- No. Listed on wordpress.org as of 4 Nov 2026. 4 Nov 2026 · wordpress.org
- Is WebSub (FKA. PubSubHubbub) safe?
- 1 known vulnerability, fixed (latest in 3.2.0). Not on the exploited list. 24 Jan 2024 · Wordfence Intelligence
- Is the latest WebSub (FKA. PubSubHubbub) update safe to install?
- No ownership change before 4.0.1. No one-star spike after it. 15 Jun 2026 · Release history
Active signals
Facts we detected, with links to the source.
No open risk signals. Signals appear here when we detect an ownership change, closure, vulnerability or decline.
Ownership timeline
Who commits to the plugin's code on wordpress.org, over time.
| pfefferle | 29 Jan 2011 to 25 Sep 2026, 77 commits |
|---|
1 committer recorded. No ownership change since 2009.
Maintenance
- Last release
- 3 months ago
- Releases, 24 months
- 3
- Tested up to
- 7.1 current
- Requires PHP
- 7.4 supported 8.2+
| Q1 2024 | 1 |
|---|---|
| Q2 2024 | 0 |
| Q3 2024 | 0 |
| Q4 2024 | 0 |
| Q1 2025 | 1 |
| Q2 2025 | 0 |
| Q3 2025 | 0 |
| Q4 2025 | 0 |
| Q1 2026 | 1 |
| Q2 2026 | 1 |
| Q3 2026 | 0 |
| Q4 2026 | 0 |
Last release 21 Aug 2026. Tested with WordPress 7.1 (current).
Reputation
Last 90 days: no reviews. Lifetime: 5.0.
| 5 star | 6 |
|---|---|
| 4 star | 0 |
| 3 star | 0 |
| 2 star | 0 |
| 1 star | 0 |
Security record
1 vulnerability on record, patched (latest fixed in 3.2.0).
Show 1 patched vulnerability
| Published | Issue | CVSS | Affected | Fixed in | Days to patch |
|---|---|---|---|---|---|
| 24 Jan 2024 | WebSub (FKA. PubSubHubbub) <= 3.1.4 - Authenticated (Admin+) Stored Cross-Site Scripting | 4.4 | <= 3.1.4 | 3.2.0 | Patched before disclosure |
Sources: Wordfence Intelligence, CISA Known Exploited Vulnerabilities, readme changelogs.
Support
Support history appears after our first snapshots of the forum counts.
Momentum
100,000+ active installs. History builds with each weekly snapshot.
| 4 May 2026 | 783 |
|---|---|
| 11 May 2026 | 1,498 |
| 18 May 2026 | 1,651 |
| 25 May 2026 | 1,445 |
| 1 Jun 2026 | 1,485 |
| 8 Jun 2026 | 1,498 |
| 15 Jun 2026 | 43,069 |
| 22 Jun 2026 | 5,144 |
| 29 Jun 2026 | 4,366 |
| 6 Jul 2026 | 3,162 |
| 13 Jul 2026 | 3,301 |
| 20 Jul 2026 | 3,376 |
| 27 Jul 2026 | 2,325 |
| 3 Aug 2026 | 1,785 |
| 10 Aug 2026 | 1,670 |
| 17 Aug 2026 | 1,743 |
| 24 Aug 2026 | 1,676 |
| 31 Aug 2026 | 1,687 |
| 7 Sep 2026 | 1,738 |
| 14 Sep 2026 | 1,712 |
| 21 Sep 2026 | 1,601 |
| 28 Sep 2026 | 1,609 |
| 5 Oct 2026 | 1,582 |
| 12 Oct 2026 | 1,178 |
| 19 Oct 2026 | 5,610 |
| 26 Oct 2026 | 2,457 |
| 2 Nov 2026 | 243 |
Weekly downloads over the last 4 weeks are 36% below the 27-week average.
Healthier alternatives
Same job, rated Healthy, higher Canary Score and at least 10,000 installs. Never sponsored.
No healthier plugin in the same category yet.
Facts
| Version | 4.0.1 |
|---|---|
| Author | joshfraz |
| Added | 15 May 2009 |
| Last updated | 21 Aug 2026 |
| Active installs | 100,000+ |
| Requires WordPress | 4.5 |
| Tested up to | 7.1.4 |
| Requires PHP | 7.4 |
| Category | Communication & Messaging > Transactional Email |
| Tags | feed, pubsub, websub, indieweb, pubsubhubbub |
Questions
Is WebSub (FKA. PubSubHubbub) still maintained?
Yes. Last release 21 Aug 2026, 3 releases in the last 24 months.
Who owns WebSub (FKA. PubSubHubbub), and has it changed hands?
No change recorded. Main committer pfefferle since Jan 2011.
Was WebSub (FKA. PubSubHubbub) removed from wordpress.org?
No. Listed on wordpress.org as of 4 Nov 2026.
Is WebSub (FKA. PubSubHubbub) safe?
1 known vulnerability, fixed (latest in 3.2.0). Not on the exploited list.
Is the latest WebSub (FKA. PubSubHubbub) update safe to install?
No ownership change before 4.0.1. No one-star spike after it.