synced 3 MIN AGO
01 Record

CVE-2026-28189

WordPress Participants Database plugin <= 2.7.8.4 - Arbitrary File Deletion vulnerability

HighPUBLISHEDCNA: Patchstack
CNA base score7.4 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

02 Description

WordPress Participants Database plugin <= 2.7.8.4 - Arbitrary File Deletion vulnerability

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.42% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 36.5% of scored records. A rank, not a probability.
NVD base score
7.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
NVD analysis status
Deferred. NVD last modified this record on 2026-10-23.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-08-13 13:36Z2 MO AGO
Last updated
2026-08-13 15:25Z2 MO AGO
Reserved
2026-02-25
Assigning CNA
Patchstack
Record state
PUBLISHED
Severity
High (CVSS 7.4)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
Weaknesses
  • CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
Data version
5.2
Document digest
ea55b2ab5c80eb89bd13fba43b33aed251ee963dd02ed3ea4b2d80e127c4cc95

05 Affected products

VendorProductVersionsPlatforms
Roland BarkerParticipants Database<= 2.7.8.4—

06 References

07 Remediation

Update the WordPress Participants Database plugin to the latest available version (at least 2.7.8.5).