Plugins · hellobar · data as of 2026-11-04
Is Hello Bar Popup Builder safe? Known vulnerabilities and latest version
- Latest version
- 1.5.3
- Last updated
- 2026-06-04
- Active installs
- 3,000+
- Known issues on record
- 1
- Unpatched in latest
- 0
- Tested up to WP
- 7.0.8 · PHP 7.4+
Easily add a Popup to your WordPress site with the official HelloBar WordPress plugin. — by telepathy
What to do
- Update to the latest version (1.5.3). Anything older than 1.5.2 has at least one known issue listed below. Dashboard → Updates, or Plugins → “update now”.
- If you cannot update right away, deactivate it until you can.
- Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
- If you ran a vulnerable version and something looks off (spam pages, strange admins, redirects), run the free scan.
With WP-CLI: wp plugin get hellobar --field=version shows what you run; wp plugin update hellobar updates it.
Check your version
Known vulnerabilities
1 on record, newest first. “Affected” is the version range the source gives; “fixed in” is the version the source names, or (marked *) the first wordpress.org release after the last affected version.
medium 6.5 CVE-2026-39666 · published 2026-04-08
Cross-site scripting (XSS) in Hello Bar Popup Builder (1.5.1 and older)
- Affected
- 1.5.1 and older
- Fixed in
- 1.5.2 *
- Access needed (per CVSS)
- Needs a low-level account (e.g. subscriber); someone on the site has to click a link or open a page
- Range from
- CVE record (the advisory publisher) · score by Patchstack
Details from the advisory
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in telepathy Hello Bar Popup Builder hellobar allows DOM-Based XSS.This issue affects Hello Bar Popup Builder: from n/a through <= 1.5.1.
Recent activity
- 2026-06-04 — latest release on wordpress.org (1.5.3).
- 2026-04-08 — Cross-site scripting (XSS) disclosed (CVE-2026-39666), fixed in 1.5.2.
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Browse vulnerabilities
Types found in this plugin: Cross-site scripting (XSS) (1)
Where this data comes from
- Version, last update, installs: wordpress.org/plugins/hellobar (Plugins API), fetched 2026-11-04.
- Vulnerabilities: NIST National Vulnerability Database (NVD), checked 2026-11-04. This product uses data from the NVD API but is not endorsed or certified by the NVD.
- Each record links to its CVE page and to the original advisory (Wordfence, Patchstack or WPScan) where there is one. We only list a CVE here when its references or its advisory name this exact plugin, so a few real issues may be missing; none should be about a different plugin. Spot an error? Email Daniel.
Badge for your site or docs (states facts with a date, not a verdict):
<a href="https://laskyr.com/plugins/hellobar"><img src="https://laskyr.com/plugins/hellobar/badge.svg" alt="Hello Bar Popup Builder vulnerability status"></a>