The Custom 404 Pro plugin 3.2.8 for WordPress has XSS via the wp-admin/admin.php?page=c4p-main page parameter.
CVE-2019-14789
MEDIUMNVD 6.16.1—Elevated
EchelonGraph scoreMEDIUM confidence
Score 6.1 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 6.1; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 2%CVSS: 6.1Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.1
- EG Score
- 6.1(medium)
- EPSS
- 77.4%
- KEV
- Not listed
Published
August 15, 2019
Last Modified
November 21, 2024
References (4)
- cve@mitrehttps://wordpress.org/plugins/custom-404-pro/#developers
- cve@mitrehttps://www.pluginvulnerabilities.com/2019/06/25/other-vulnerability-data-sources-miss-that-a-reflected-xss-vulnerability-in-custom-404-pro-hasnt-been-fixed/
- af854a3a-2127-422b-91ae-364da2661108https://wordpress.org/plugins/custom-404-pro/#developers
- af854a3a-2127-422b-91ae-364da2661108https://www.pluginvulnerabilities.com/2019/06/25/other-vulnerability-data-sources-miss-that-a-reflected-xss-vulnerability-in-custom-404-pro-hasnt-been-fixed/
Publicly available exploits
(1 reference)Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Nucleihttp/cves/2019/CVE-2019-14789.yamlFirst seen Jan 1, 2019
Custom 404 Pro < 3.2.8 - Cross-Site Scripting
Open source ↗
Frequently asked(5)
What is CVE-2019-14789?
CVE-2019-14789 is a medium vulnerability published on August 15, 2019. The Custom 404 Pro plugin 3.2.8 for WordPress has XSS via the wp-admin/admin.php?page=c4p-main page parameter.
When was CVE-2019-14789 disclosed?
CVE-2019-14789 was first published in the National Vulnerability Database on August 15, 2019, 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-2019-14789 actively exploited?
CVE-2019-14789 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-14789?
CVE-2019-14789 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2019-14789?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-14789, 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-2019-14789
Is Your Infrastructure Affected by CVE-2019-14789?
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