CVE-2026-118438
Firelight Lightbox < 2.3.24 - Contributor+ Stored XSS via Image 'src' Attribute
The Firelight Lightbox WordPress plugin before 2.3.24 does not properly escape image attribute values before processing them in the browser, which could allow users with contributor-level access and above to inject arbitrary web scripts that execute when another user views or previews the affected content.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Firelight Lightbox < 2.3.24 - Contributor+ Stored XSS via Image 'src' Attribute
The Firelight Lightbox WordPress plugin before 2.3.24 does not properly escape image attribute values before processing them in the browser, which could allow users with contributor-level access and above to inject arbitrary web scripts that execute when another user views or previews the affected content.
- Record
CVE-2026-118438- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-114586
The Firelight Lightbox WordPress plugin before 2.3.24 does not properly escape image attribute values before processing them in the browser, which could allow users with contributor-level access and above to inject arbitrary web scripts that execute when another user views or previews the affected content.
- Record
EUVD-2026-114586- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wm86-p7cw-7wvq
The Firelight Lightbox WordPress plugin before 2.3.24 does not properly escape image attribute...
The Firelight Lightbox WordPress plugin before 2.3.24 does not properly escape image attribute values before processing them in the browser, which could allow users with contributor-level access and above to inject arbitrary web scripts that execute when another user views or previews the affected content.
- Record
GHSA-wm86-p7cw-7wvq- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
The Firelight Lightbox WordPress plugin before 2.3.24 does not properly escape image attribute values before processing them in the browser, which could allow users with contributor-level access and above to inject arbitrary web scripts that execute when another user views or previews the affected content.
- Record
CVE-2026-118438- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - 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-2026-118438 is a medium vulnerability (CVSS 6.8) in Firelightwp Firelight Lightbox, published October 31, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. No source names a fixed version.