The groundhogg plugin before 1.3.5 for WordPress has wp-admin/admin-ajax.php?action=bulk_action_listener remote code execution.

published 2019-08-27 7y ago modified 2026-06-17 4mo ago also EUVD-2019-6599

cvss: 8.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 4.5%; EPSS 4.5% chance of exploitation in 30 days, percentile 91%
public exploits: 0; none known

Patch / fix

fixed in 1

groundhogg groundhogg 1.3.5

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Exploit prediction

4.53% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

pluginvulnerabilities.com https://www.pluginvulnerabilities.com/2019/04/05/our-proactive-monitoring-caught-an-authenticated-remote-code-execution-rce-vulnerability-being-introduced-in-to-groundhogg referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	8.8	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness

CWE-94 Improper Control of Generation of Code

Technology feeds

WordPress rss critical rss

References

pluginvulnerabilities.com /2019/04/05/our-proactive-monitoring-caught-an-authenticated-remote-code-execution-rce-vulnerability-being-int
exploit, third-party-advisory
wordpress.org /plugins/groundhogg/#developers
release-notes
wpvulndb.com /vulnerabilities/9834
third-party-advisory

Sources

CVE List CVE-2019-15647
NVD CVE-2019-15647

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.