Simple Lightbox < 2.9.4 - Contributor+ Stored XSS
Priority MEDIUM 60CWE-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
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The Simple Lightbox WordPress plugin before 2.9.4 does not validate and escape some of its attributes before outputting them back in a page/post, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00313 24th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Simple Lightbox (Unknown): 2.9.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| Unknown | Simple Lightbox | before 2.9.4 | 2.9.4 | Patch available | CNA |
- Simple Lightbox VendorUnknown Affected before 2.9.4 Fixed in 2.9.4 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:archetyped:simple_lightbox:*:*:*:*:*:wordpress:*:* | before 2.9.4 | Vulnerable | Archetyped |
- cpe:2.3:a:archetyped:simple_lightbox:*:*:*:*:*:wordpress:*:* Versions before 2.9.4 Vulnerable ·Archetyped
Remediation
- Fix · CNA Simple Lightbox (Unknown) Fixed in 2.9.4
Timeline
- 2026-10-02 Threatist record created from CVE-2025-3516
- 2026-10-03 Alias added: GHSA-x4jw-p584-84v2
References
Sources
- CVE-2025-3516 · CVE Program
- CVE-2025-3516 · NVD
- FIRST EPSS
- GHSA-x4jw-p584-84v2 · 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