CVE-2018-19556

MEDIUMNVD 4.34.3—

4.3

zb_system/admin/index.php?act=UploadMng in Z-BlogPHP 1.5 mishandles file preview, leading to content spoofing. NOTE: the software maintainer disputes that this is a vulnerability

CVSS v3: 4.3
EG Score: 4.3(medium)
EPSS: 48.5%
KEV: Not listed

Published

November 26, 2018

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://github.com/novysodope/Z-BlogPHP1.5Zero/blob/bee6dba066b3f9aa378dcde63e1e0ffad6ad0f49/Url%20hijacking
cve@mitrehttps://github.com/zblogcn/zblogphp/issues/205
af854a3a-2127-422b-91ae-364da2661108https://github.com/novysodope/Z-BlogPHP1.5Zero/blob/bee6dba066b3f9aa378dcde63e1e0ffad6ad0f49/Url%20hijacking
af854a3a-2127-422b-91ae-364da2661108https://github.com/zblogcn/zblogphp/issues/205

Weakness Classification(1)

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

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 13× in last 7d / 20× 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.

2026-06-08 14:14 UTCEPSS rescore
2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore

Frequently asked(5)

What is CVE-2018-19556?

CVE-2018-19556 is a medium vulnerability published on November 26, 2018. zb_system/admin/index.php?act=UploadMng in Z-BlogPHP 1.5 mishandles file preview, leading to content spoofing. NOTE: the software maintainer disputes that this is a vulnerability

When was CVE-2018-19556 disclosed?

CVE-2018-19556 was first published in the National Vulnerability Database on November 26, 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-2018-19556 actively exploited?

CVE-2018-19556 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 48.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-19556?

CVE-2018-19556 has a CVSS v3 base score of 4.3 (NVD).

How do I remediate CVE-2018-19556?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-19556, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-19556

Explore →

Is Your Infrastructure Affected by CVE-2018-19556?

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

Start Free Scan →Browse All CVEs

CVE-2018-19556

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-19556?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)