CVE-2018-2791

HIGHNVD 8.29.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because EPSS predicts 87% probability of exploitation within the next 30 days (top 0.5% of all CVEs). NVD baseline CVSS 8.2 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, ghsa, nvd
Weaponized
8.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 39%CVSS: 8.2Exploit: NoneExposed: 0

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

Vulnerability in the Oracle WebCenter Sites component of Oracle Fusion Middleware (subcomponent: Advanced UI). Supported versions that are affected are 11.1.1.8.0, 12.2.1.2.0 and 12.2.1.3.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle WebCenter Sites, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebCenter Sites accessible data as well as unauthorized update, insert or delete access to some of Oracle WebCenter Sites accessible data. CVSS 3.0 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N).

CVSS v3
8.2
EG Score
9.0(high)
EPSS
98.4%
KEV
Not listed

Published

April 19, 2018

Last Modified

November 21, 2024

References (8)

Data Freshness Timeline

(refreshed 6× in last 7d / 32× 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. 2026-07-05 02:27 UTCEPSS rescore
  2. 2026-07-02 16:54 UTCEPSS rescore
  3. 2026-07-01 15:03 UTCEPSS rescore
  4. 2026-07-01 15:03 UTCEPSS rescore
  5. 2026-06-30 23:20 UTCEPSS rescore
  6. 2026-06-30 23:19 UTCEPSS rescore
  7. 2026-06-28 14:04 UTCEPSS rescore
  8. 2026-06-28 04:53 UTCEPSS rescore
  9. 2026-06-28 04:53 UTCEPSS rescore
  10. 2026-06-25 13:47 UTCEPSS rescore
  11. 2026-06-25 13:47 UTCEPSS rescore
  12. 2026-06-24 14:02 UTCEPSS rescore
  13. 2026-06-24 14:02 UTCEPSS rescore
  14. 2026-06-23 21:30 UTCEPSS rescore
  15. 2026-06-23 21:30 UTCEPSS rescore
  16. 2026-06-23 21:30 UTCEPSS rescore
  17. 2026-06-22 14:23 UTCEPSS rescore
  18. 2026-06-21 01:57 UTCEPSS rescore
  19. 2026-06-21 01:57 UTCEPSS rescore
  20. 2026-06-19 19:23 UTCEPSS rescore
  21. 2026-06-19 19:23 UTCEPSS rescore
  22. 2026-06-18 17:50 UTCEPSS rescore
  23. 2026-06-18 17:50 UTCEPSS rescore
  24. 2026-06-17 17:50 UTCEPSS rescore
  25. 2026-06-17 17:50 UTCEPSS rescore
Show 24 more
  1. 2026-06-16 17:50 UTCEPSS rescore
  2. 2026-06-16 17:50 UTCEPSS rescore
  3. 2026-06-15 17:45 UTCEPSS rescore
  4. 2026-06-12 23:09 UTCEPSS rescore
  5. 2026-06-12 23:09 UTCEPSS rescore
  6. 2026-06-10 22:16 UTCEPSS rescore
  7. 2026-06-10 13:19 UTCEPSS rescore
  8. 2026-06-05 22:45 UTCEPSS rescore
  9. 2026-06-05 22:45 UTCEPSS rescore
  10. 2026-06-05 06:08 UTCEPSS rescore
  11. 2026-06-05 06:08 UTCEPSS rescore
  12. 2026-06-04 13:10 UTCEPSS rescore
  13. 2026-06-02 20:11 UTCEPSS rescore
  14. 2026-06-02 20:11 UTCEPSS rescore
  15. 2026-05-31 22:29 UTCEPSS rescore
  16. 2026-05-31 00:14 UTCEPSS rescore
  17. 2026-05-31 00:14 UTCEPSS rescore
  18. 2026-05-29 13:41 UTCEPSS rescore
  19. 2026-05-28 13:42 UTCEPSS rescore
  20. 2026-05-28 13:42 UTCEPSS rescore
  21. 2026-05-28 08:55 UTCEG score recompute
  22. 2026-05-28 08:54 UTCGHSA enrichment
  23. 2026-05-27 13:38 UTCEPSS rescore
  24. 2026-05-27 13:38 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-44752✓ verified
    First seen May 25, 2018

    Oracle WebCenter Sites 11.1.1.8.0/12.2.1.x - Cross-Site Scripting

    Open source ↗
  • Nucleihttp/cves/2018/CVE-2018-2791.yaml
    First seen Jan 1, 2018

    Oracle Fusion Middleware WebCenter Sites - Cross-Site Scripting

    Open source ↗

Frequently asked(5)

What is CVE-2018-2791?
CVE-2018-2791 is a high vulnerability published on April 19, 2018. Vulnerability in the Oracle WebCenter Sites component of Oracle Fusion Middleware (subcomponent: Advanced UI). Supported versions that are affected are 11.1.1.8.0, 12.2.1.2.0 and 12.2.1.3.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise…
When was CVE-2018-2791 disclosed?
CVE-2018-2791 was first published in the National Vulnerability Database on April 19, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-2791 actively exploited?
CVE-2018-2791 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-2791?
CVE-2018-2791 has a CVSS v3 base score of 8.2 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
How do I remediate CVE-2018-2791?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-2791, 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.

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