# CVE-2026-27372: Pepro Dev. Group PeproDev Ultimate Invoice sensitive data exposure

Source: https://junglewise.ai/threats/cve-2026-27372-pepro-dev-group-peprodev-ultimate-invoice-sensitive-data-exposure  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-23. Updated: 2026-07-23  
License: CC BY 4.0 with a link back

CVE-2026-27372 · Severity: medium · CVSS 6.5 · Published 2026-07-23

PeproDev Ultimate Invoice is a WordPress plugin used for managing and generating invoices. A security flaw in versions 2.2.6 and earlier allows unauthorized individuals to access sensitive data that should be protected. This could lead to the exposure of private financial or customer information, potentially damaging a company's reputation or leading to further targeted attacks.

Technologies: [Pepro Dev. Group Ultimate Invoice](https://junglewise.ai/threats/technologies/ultimate-invoice). Vendors: [Pepro Dev. Group](https://junglewise.ai/threats/vendors/pepro-dev-group).

## Quick answers

**Is CVE-2026-27372 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-27372 being exploited in the wild.

**How severe is CVE-2026-27372?** Medium severity, with a CVSS score of 6.5, published 23 July 2026.

**Which products and versions are affected?** Pepro Dev. Group Ultimate Invoice <= 2.2.6.

**Is there a fix for CVE-2026-27372?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-27372 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-27372?** Check whether you run Pepro Dev. Group Ultimate Invoice at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The PeproDev Ultimate Invoice plugin for WordPress (versions <= 2.2.6) contains a sensitive data exposure vulnerability (CWE-201). The flaw allows an unauthenticated remote attacker to gain access to sensitive information. While the attack vector is network-based and requires no privileges, the CVSS vector indicates that some level of user interaction (such as a privileged user clicking a link) may be required for successful exploitation. At the time of the advisory, no official patch was available from the developer, though third-party mitigation rules have been released.

## Affected products

- Pepro Dev. Group PeproDev Ultimate Invoice <= 2.2.6

## Timeline

- 2025-11-23: disclosed: Reported by Derrick Gilliland
- 2026-07-23: advisory: Published by Patchstack and NVD

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/pepro-ultimate-invoice/vulnerability/wordpress-peprodev-ultimate-invoice-plugin-2-2-6-sensitive-data-exposure-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/pepro-ultimate-invoice/vulnerability/wordpress-peprodev-ultimate-invoice-plugin-2-2-6-sensitive-data-exposure-vulnerability?_s_id=cve)

## Related threats

- [Pepro Dev. Group PeproDev Ultimate Invoice SSRF](https://junglewise.ai/threats/cve-2026-65516-pepro-dev-group-peprodev-ultimate-invoice-ssrf)
- [Pepro Dev. Group PeproDev Ultimate Invoice unauthenticated XSS](https://junglewise.ai/threats/cve-2026-65510-pepro-dev-group-peprodev-ultimate-invoice-unauthenticated-xss)
- [PeproDev Ultimate Invoice broken access control](https://junglewise.ai/threats/cve-2026-65499-peprodev-ultimate-invoice-broken-access-control)