WordPress security changelog
MEDIUM CVE-2026-2343 Deferred

PeproDev Ultimate Invoice: A security weakness

PeproDev Ultimate Invoice is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is <= 2.2.5.

CVE / CNA score 5.3 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score Pending NVD has not published its own CVSS assessment.
Component
PeproDev Ultimate Invoice
Plugin slug
peprodev-ultimate-invoice
Affected
<= 2.2.5
Safe version
> 2.2.5
Published
Mar 25, 2026
Weakness
Not assigned

This CVE was published Mar 25, 2026 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update PeproDev Ultimate Invoice to a release after 2.2.5, or disable and remove it until a fixed version is available.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The PeproDev Ultimate Invoice WordPress plugin through 2.2.5 has a bulk download invoices action that generates ZIP archives containing exported invoice PDFs. The ZIP files are named predictably making it possible to brute force and retreive PII.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary and upstream sources