CVE-2018-18865

HIGHNVD 8.18.1—Elevated

8.1

The Royal browser extensions TS before 4.3.60728 (Release Date 2018-07-28) and TSX before 3.3.1 (Release Date 2018-09-13) allow Credentials Disclosure.

CVSS v3: 8.1
EG Score: 8.1(medium)
EPSS: 95.5%
KEV: Not listed

Published

November 20, 2018

Last Modified

November 21, 2024

References (8)

cve@mitrehttp://packetstormsecurity.com/files/150136/Royal-TS-X-Information-Disclosure.html
cve@mitrehttp://seclists.org/fulldisclosure/2018/Nov/25
cve@mitrehttp://seclists.org/fulldisclosure/2018/Nov/4
cve@mitrehttps://www.exploit-db.com/exploits/45783/
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/150136/Royal-TS-X-Information-Disclosure.html
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2018/Nov/25
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2018/Nov/4
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/45783/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:45 UTCepss_batch
2026-06-06 13:45 UTCepss_batch
2026-06-05 22:45 UTCepss_batch
2026-06-05 22:45 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 00:58 UTCEG score recompute
2026-05-28 00:58 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch

Publicly available exploits

(1 reference)

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-45783
First seen Nov 5, 2018
Royal TS/X - Information Disclosure
Open source ↗

Frequently asked(5)

What is CVE-2018-18865?

CVE-2018-18865 is a high vulnerability published on November 20, 2018. The Royal browser extensions TS before 4.3.60728 (Release Date 2018-07-28) and TSX before 3.3.1 (Release Date 2018-09-13) allow Credentials Disclosure.

When was CVE-2018-18865 disclosed?

CVE-2018-18865 was first published in the National Vulnerability Database on November 20, 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-2018-18865 actively exploited?

CVE-2018-18865 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-18865?

CVE-2018-18865 has a CVSS v3 base score of 8.1 (NVD).

How do I remediate CVE-2018-18865?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-18865, 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

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CVE-2018-18865

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-18865?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)