CVE-2018-25338

Description

Zechat 1.5 contains a SQL injection vulnerability in the hashtag parameter that allows unauthenticated attackers to extract database information using union-based techniques. Attackers can exploit the hashtag parameter with union-based payloads to retrieve table and column names.

Overview

State

—

Assigner (CNA)

—

CVSS severity

high

CVSS score

8.2 / 10

CVSS vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Effective score

8.2 / 10 HIGH source: CNA overview

CWE(s)

—

Reserved

—

Published

—

Last updated

—

Source

https://www.tenable.com/cve/CVE-2018-25338

Linked Threat

CVE-2018-25338 — CVE-2018-25338

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published

2026-05-17 13:16:45 UTC

NVD last modified

2026-05-18 17:32:04 UTC

NVD CVSS v3.1

8.2 / 10 HIGH source: disclosure@vulncheck.com

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Exploitability subscore

3.9 / 10

Impact subscore

4.2 / 10

EPSS score

0.0009 (probability of exploitation in next 30 days)

EPSS percentile

24.58% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD-assigned CWE(s): CWE-89 (differs from the CNA list above)

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID

EUVD-2018-21859

Assigner

VulnCheck

Published

May 17, 2026, 12:11:41 PM

Updated

May 18, 2026, 5:53:20 PM

EUVD base score (CVSS 4.0)

8.8 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

EUVD-reported EPSS

0.0900

Vendors

Bylancer

Products

Zechat (1.5)

Aliases

GHSA-67j6-rmc9-jfxj

ENISA description: Zechat 1.5 contains a SQL injection vulnerability in the hashtag parameter that allows unauthenticated attackers to extract database information using union-based techniques. Attackers can exploit the hashtag parameter with union-based payloads to retrieve table and column names.

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

Web references (6)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

• https://bylancer.com tenable:bylancer.com
• https://nvd.nist.gov/vuln/detail/CVE-2018-25338 tenable:nvd.nist.gov
• https://www.cve.org/CVERecord?id=CVE-2018-25338 tenable:www.cve.org
• https://www.exploit-db.com/exploits/44685 tenable:www.exploit-db.com
• https://www.first.org/epss/ tenable:www.first.org
• https://www.vulncheck.com/advisories/zechat-sql-injection-via-hashtag-parameter tenable:www.vulncheck.com

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

• Security Advisory Bulletin 064 | Ubiquiti Community
  web:community.ui.com

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  2026-05-26 02:57 UTC
• Coming from BlueBubbles - OpenClaw
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  web:www.thethings.com

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• VirusTotal - Home
  web:www.virustotal.com

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• THE DRACOSPIKE EVO IS HERE + NEW Mutation Extractor & New ... - YouTube
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  2026-05-26 02:57 UTC

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