# CVE-2026-14877: Supsystic Data Tables Generator stored XSS via id attribute

Source: https://junglewise.ai/threats/cve-2026-14877-the-data-tables-generator-by-supsystic-plugin-for-wordpress-is  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-10. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-14877 · Severity: medium · CVSS 6.4 · Published 2026-10-10

The Data Tables Generator by Supsystic is a WordPress plugin that creates data tables for websites. Authenticated contributors and administrators can inject malicious scripts into table configurations that execute when any user views the affected page, potentially stealing session credentials or performing unauthorized actions on behalf of site visitors.

Technologies: [Supsystic Data Tables Generator](https://junglewise.ai/threats/technologies/data-tables-generator). Vendors: [Supsystic](https://junglewise.ai/threats/vendors/supsystic).

## Quick answers

**Is CVE-2026-14877 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-14877 being exploited in the wild.

**How severe is CVE-2026-14877?** Medium severity, with a CVSS score of 6.4, published 10 October 2026.

**Which products and versions are affected?** Supsystic Data Tables Generator up to and including 1.12.03.

**Is there a fix for CVE-2026-14877?** 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-2026-14877 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-14877?** Check whether you run Supsystic Data Tables Generator 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

Stored cross-site scripting vulnerability in the Data Tables Generator plugin due to insufficient input sanitization and output escaping of the id attribute. Authenticated attackers with contributor-level access and above can inject arbitrary JavaScript that persists in the database and executes in the browsers of all users viewing the injected page.

## Affected products

- Supsystic Data Tables Generator up to and including 1.12.03

## Timeline

- 2026-10-10: disclosed

## References

- [https://plugins.trac.wordpress.org/changeset/3608322/data-tables-generator-by-supsystic](https://plugins.trac.wordpress.org/changeset/3608322/data-tables-generator-by-supsystic)
- [https://www.wordfence.com/threat-intel/vulnerabilities/id/e04ed3b3-b463-4597-9307-42017a672bb2?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/e04ed3b3-b463-4597-9307-42017a672bb2?source=cve)

## Related threats

- [Data Tables Generator by Supsystic IDOR via exposed nonce](https://junglewise.ai/threats/cve-2026-110016-the-data-tables-generator-by-supsystic-wordpress-plugin-before-1)
- [Data Tables Generator by Supsystic stored cross-site scripting in table cell update](https://junglewise.ai/threats/cve-2026-96648-the-data-tables-generator-by-supsystic-plugin-for-wordpress-is)