WordPress WP System Log plugin <= 1.2.7 - Broken Access Control vulnerability

published 2026-03-25 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-15606

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits: 0; none known

Missing Authorization vulnerability in activity-log.com WP System Log winterlock allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP System Log: from n/a through <= 1.2.7.

Patch / fix

fixed in 1

activity-log.com WP System Log 1.2.8

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 7 mo ago (2026-03-26)

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

activity-log.com WP System Log

Classification

Weakness

CWE-862 Missing Authorization

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Plugin/winterlock/vulnerability/wordpress-wp-system-log-plugin-1-2-7-broken-access-control
vdb-entry

Sources

CVE List CVE-2026-24987
NVD CVE-2026-24987

Fencer Vulns 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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary