CVE-2026-27403
WordPress Hubbub Lite plugin <= 1.36.3 - Cross Site Scripting (XSS) vulnerability
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NerdPress Hubbub Lite allows Stored XSS.
This issue affects Hubbub Lite: from n/a through 1.36.3.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
WordPress Hubbub Lite plugin <= 1.36.3 - Cross Site Scripting (XSS) vulnerability
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NerdPress Hubbub Lite allows Stored XSS.
This issue affects Hubbub Lite: from n/a through 1.36.3.
- Record
CVE-2026-27403- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-48158
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NerdPress Hubbub Lite allows Stored XSS.
This issue affects Hubbub Lite: from n/a through 1.36.3.
- Record
EUVD-2026-48158- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-583w-xvr4-75jr
Contributor Cross Site Scripting (XSS) in Hubbub Lite <= 1.36.3 versions.
Contributor Cross Site Scripting (XSS) in Hubbub Lite <= 1.36.3 versions.
- Record
GHSA-583w-xvr4-75jr- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NerdPress Hubbub Lite allows Stored XSS.
This issue affects Hubbub Lite: from n/a through 1.36.3.
- Record
CVE-2026-27403- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-27403 is a medium vulnerability (CVSS 6.5) in Nerdpress Hubbub Lite, published July 23, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 13th percentile. No source names a fixed version.