WebSub (FKA. PubSubHubbub) · Security record
Is WebSub (FKA. PubSubHubbub) safe?
No known vulnerability affects the current version (4.0.1). 1 issue was found in earlier versions and fixed, the latest disclosed on Jan 24, 2024.
Checked 3 days ago against the WPVulnerability database, for version 4.0.1.
How it’s looked after
- Last release
- Aug 21, 2026 (2 months ago)
- Releases in the last year
- 3
- Tested up to
- WordPress 7.1.4
- Active installs
- 100K+
1 known vulnerability
- 1 medium
None affects the current version.
Every known vulnerability in WebSub (FKA. PubSubHubbub)
Newest first, with any that affect the current version at the top.
Fixed in 3.2.0 · CVE-2024-0688 · Jan 24, 2024 · Wordfence
Questions about WebSub (FKA. PubSubHubbub)’s security
Is WebSub (FKA. PubSubHubbub) safe to use?
No known vulnerability affects its current version. Earlier versions had issues that are now fixed, so keep WebSub (FKA. PubSubHubbub) updated: most attacks target sites that haven’t updated.
Does WebSub (FKA. PubSubHubbub) have known security vulnerabilities?
None that affect the current version. WPVulnerability’s database lists 1 older issue, fixed in earlier versions, so keep WebSub (FKA. PubSubHubbub) up to date.
Is WebSub (FKA. PubSubHubbub) still maintained?
Yes. Its last release was 2 months ago. No support threads were opened in the last two months.
Is WebSub (FKA. PubSubHubbub) compatible with the latest WordPress?
Yes. It’s tested up to WordPress 7.1.4, the current version.
Hear about the next one first
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Start freeVulnerability data from WPVulnerability (CC0), which gathers records from CVE, Wordfence, Patchstack and WPScan. A clean record isn’t a guarantee: keep every plugin updated.