WordPress HashBar – WordPress Notification Bar Plugin <= 1.4.1 is vulnerable to Cross Site Scripting (XSS)
Priority LOW 26CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in HasThemes HashBar – WordPress Notification Bar allows Stored XSS.This issue affects HashBar – WordPress Notification Bar: from n/a through 1.4.1.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0031 23rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| devitemsllc | HashBar – WordPress Notification Bar | up to 1.4.1 | — | No fix listed | CNA |
- HashBar – WordPress Notification Bar Vendordevitemsllc Affected up to 1.4.1 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hasthemes:hashbar:*:*:*:*:*:wordpress:*:* | up to 1.4.1 | Vulnerable | devitemsllc |
- cpe:2.3:a:hasthemes:hashbar:*:*:*:*:*:wordpress:*:* Versions up to 1.4.1 Vulnerable ·devitemsllc
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-51372
- 2026-10-03 Alias added: GHSA-w8pm-g6gf-4v9x
References
More devitemsllc Hashbar vulnerabilities
- TI-2022-04250 HashBar – WordPress Notification Bar < 1.3.6 - Contributor+ Stored XSS via Shortcode CVSS 3.1MEDIUM 5.4
Sources
- CVE-2023-51372 · CVE Program
- CVE-2023-51372 · NVD
- FIRST EPSS
- GHSA-w8pm-g6gf-4v9x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences