CVE-2026-88912

MEDIUMPre-NVD 4.24.2—
EchelonGraph scoreHIGH confidence

Score 4.2 from GitHub Security Advisory published 2026-09-13. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
4.2EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.2Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

The rtMedia for WordPress, BuddyPress and bbPress WordPress plugin before 4.7.12 does not check ownership before changing the privacy level of an activity and its attached media, relying only on a nonce shared with every logged-in user, allowing users with a subscriber-level account or above to make another user's private activity public or hide it.

CVSS v3
4.2
EG Score
4.2(high)
EG Risk
19(Track)
EG Risk 19/100SSVC: 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 computed
Severity42% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

September 13, 2026

Last Modified

September 14, 2026

Advisory Details (1)

Auto-updated Sep 13, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

rtMedia for WordPress, BuddyPress and bbPress < 4.7.12 – Subscriber+ Arbitrary Activity Privacy Modification via IDOR | CVE 2026-88912 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/58115528-18b6-4f2a-9f6c-d84fdcd6efb4/

Vendor Advisories for CVE-2026-88912(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 18× in last 7d / 25× 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.

  1. 2026-09-20 20:16 UTCEPSS rescore
  2. 2026-09-20 16:40 UTCGHSA enrichment
  3. 2026-09-19 17:38 UTCEG score recompute
  4. 2026-09-19 17:38 UTCGHSA enrichment
  5. 2026-09-18 19:28 UTCEPSS rescore
  6. 2026-09-18 18:37 UTCGHSA enrichment
  7. 2026-09-17 19:35 UTCEG score recompute
  8. 2026-09-17 19:35 UTCGHSA enrichment
  9. 2026-09-17 19:32 UTCEPSS rescore
  10. 2026-09-16 19:59 UTCEG score recompute
  11. 2026-09-16 19:59 UTCGHSA enrichment
  12. 2026-09-16 14:09 UTCEPSS rescore
  13. 2026-09-15 20:48 UTCEG score recompute
  14. 2026-09-15 20:48 UTCGHSA enrichment
  15. 2026-09-15 03:12 UTCEPSS rescore
  16. 2026-09-14 21:17 UTCGHSA enrichment
  17. 2026-09-14 10:22 UTCEG score recompute
  18. 2026-09-14 10:22 UTCGHSA enrichment
  19. 2026-09-13 11:21 UTCGHSA enrichment
  20. 2026-09-13 10:50 UTCEG score recompute▲ 4.20
  21. 2026-09-13 10:50 UTCGHSA enrichment
  22. 2026-09-13 10:49 UTCMITRE cvelistV5CVSS v3 → 4.2 · severity → MEDIUM
  23. 2026-09-13 06:26 UTCNVD update
  24. 2026-09-13 06:06 UTCEG score recompute
  25. 2026-09-13 06:06 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-88912?
CVE-2026-88912 is a medium vulnerability published on September 13, 2026. The rtMedia for WordPress, BuddyPress and bbPress WordPress plugin before 4.7.12 does not check ownership before changing the privacy level of an activity and its attached media, relying only on a nonce shared with every logged-in user, allowing users with a subscriber-level account or above to…
When was CVE-2026-88912 disclosed?
CVE-2026-88912 was first published in the National Vulnerability Database on September 13, 2026, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-88912 actively exploited?
CVE-2026-88912 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 98.0% of all scored CVEs.
What is the CVSS score of CVE-2026-88912?
CVE-2026-88912 has a CVSS v3.1 base score of 4.2 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-88912?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-88912, 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-2026-88912

Explore →

Is Your Infrastructure Affected by CVE-2026-88912?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs