MPCX Lightbox 1.2.2 - 1.2.5 - Unauthenticated Non-Public Post Content Disclosure
Priority LOW 17CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
The MPCX Lightbox WordPress plugin 1.2.2 through 1.2.5 does not have any authorisation or authentication on one of its AJAX actions available to unauthenticated users, nor does it check the status of the requested post, allowing unauthenticated visitors to retrieve the title, content or excerpt of arbitrary posts, including private, draft, pending, trashed and password-protected ones.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00314 24th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
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 |
|---|---|---|---|---|---|
| Unknown | MPCX Lightbox | 1.2.2 – 1.2.5 | — | No fix listed | CNA |
- MPCX Lightbox VendorUnknown Affected 1.2.2 – 1.2.5 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-87848
- 2026-10-03 Alias added: GHSA-c9c7-pp8h-rm54
References
Sources
- CVE-2026-87848 · CVE Program
- CVE-2026-87848 · NVD
- FIRST EPSS
- GHSA-c9c7-pp8h-rm54 · 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