# CVE-2026-102798: ThemeREX Addons stored cross-site scripting

Source: https://junglewise.ai/threats/cve-2026-102798-improper-neutralization-of-input-during-web-page-generation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-02. Updated: 2026-10-05  
License: CC BY 4.0 with a link back

CVE-2026-102798 · Severity: medium · CVSS 6.5 · Published 2026-10-02

ThemeREX Addons is a WordPress plugin that extends website functionality with additional features and design elements. A stored XSS vulnerability allows attackers with contributor-level access to inject malicious scripts into the site that persist and execute when other users view the affected pages, potentially stealing visitor data or hijacking accounts.

Vendors: [ThemeREX Group](https://junglewise.ai/threats/vendors/themerex-group).

## Quick answers

**Is CVE-2026-102798 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-102798 being exploited in the wild.

**How severe is CVE-2026-102798?** Medium severity, with a CVSS score of 6.5, published 2 October 2026.

**Which products and versions are affected?** ThemeREX Group ThemeREX Addons through 2.46.0.

**Is there a fix for CVE-2026-102798?** Yes: fixed in 2.47.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-102798 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-102798?** Check whether you run ThemeREX Group ThemeREX Addons 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.

## How to fix

- Fixed in 2.47.0

## Technical details

The plugin fails to properly sanitize user input during web page generation, allowing stored cross-site scripting (XSS) injection. The vulnerability requires contributor-level privileges and user interaction (visiting a crafted page or clicking a malicious link) to exploit. An authenticated attacker can inject persistent scripts that execute in the browsers of site visitors.

## Affected products

- ThemeREX Group ThemeREX Addons through 2.46.0

## Timeline

- 2026-10-02: disclosed
- 2026-10-02: patched

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/trx_addons/vulnerability/wordpress-themerex-addons-plugin-2-46-0-cross-site-scripting-xss-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/trx_addons/vulnerability/wordpress-themerex-addons-plugin-2-46-0-cross-site-scripting-xss-vulnerability?_s_id=cve)

## Related threats

- [ThemeREX Addons server-side request forgery](https://junglewise.ai/threats/cve-2026-102797-server-side-request-forgery-ssrf-vulnerability-in-themerex-group)