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.
CVE-2026-87848
LOWPre-NVD 3.73.7—Trending — 4 sources updated this week
EchelonGraph scoreHIGH confidence
Score 3.7 from GitHub Security Advisory (severity: LOW) published 2026-09-23. a secondary CVSS source baseline 3.7; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
3.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.7Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 3.7
- EG Score
- 3.7(high)
- EG Risk
- 17(Track)EG Risk 17/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity37% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 9%
- KEV
- Not listed
Published
September 23, 2026
Last Modified
September 23, 2026
References (1)
Vendor Advisories for CVE-2026-87848(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 7× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-09-24 14:04 UTCEPSS rescore
- 2026-09-23 18:18 UTCEG score recompute
- 2026-09-23 18:18 UTCGHSA enrichment
- 2026-09-23 11:23 UTCEG score recompute
- 2026-09-23 10:51 UTCEG score recompute
- 2026-09-23 10:21 UTCEG score recompute
- 2026-09-23 10:21 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-87848?
CVE-2026-87848 is a low vulnerability published on September 23, 2026. 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…
When was CVE-2026-87848 disclosed?
CVE-2026-87848 was first published in the National Vulnerability Database on September 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-87848 actively exploited?
CVE-2026-87848 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 91.1% of all scored CVEs.
What is the CVSS score of CVE-2026-87848?
CVE-2026-87848 has a CVSS v3 base score of 3.7 (NVD).
How do I remediate CVE-2026-87848?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-87848, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-87848
Is Your Infrastructure Affected by CVE-2026-87848?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.