# Exponent CMS vulnerabilities

Source: https://junglewise.ai/threats/vendors/exponent-cms  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/exponent-cms.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Exponent CMS: 0 in the last 7 days and 1 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-108900, was published on 12 October 2026. 1 vulnerability in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 1
- All time: 5 (1 critical, 0 exploited in the wild)

## Latest Exponent CMS vulnerabilities

- [CVE-2026-108900: Exponent CMS SQL injection in XML-RPC userLogin](https://junglewise.ai/threats/cve-2026-108900-a-vulnerability-has-been-found-in-exponent-cms-up-to-3-0-2patch2) (high, CVSS 7.3, published 12 Oct 2026)
- [CVE-2021-47931: Exponent CMS stored XSS and credential disclosure in text editing endpoint](https://junglewise.ai/threats/cve-2021-47931-exponent-cms-stored-xss-and-credential-disclosure-in-text-editing) (medium, CVSS 6.4, published 10 May 2026)
- [CVE-2016-2242: Exponent CMS code injection in install/index.php](https://junglewise.ai/threats/cve-2016-2242-exponent-cms-code-injection-in-install-index-php) (critical, CVSS 9.8, published 23 Jan 2017)
- [CVE-2015-8684: Exponent CMS XSS via arbitrary file upload in elFinder](https://junglewise.ai/threats/cve-2015-8684-exponent-cms-xss-via-arbitrary-file-upload-in-elfinder) (medium, CVSS 6.1, published 18 Jan 2017)
- [CVE-2015-8667: Exponent CMS cross-site scripting in Reset Your Password module](https://junglewise.ai/threats/cve-2015-8667-exponent-cms-cross-site-scripting-in-reset-your-password-module) (medium, CVSS 6.1, published 18 Jan 2017)

## Most severe Exponent CMS vulnerabilities

- [CVE-2016-2242: Exponent CMS code injection in install/index.php](https://junglewise.ai/threats/cve-2016-2242-exponent-cms-code-injection-in-install-index-php) (critical, CVSS 9.8, published 23 Jan 2017)
- [CVE-2026-108900: Exponent CMS SQL injection in XML-RPC userLogin](https://junglewise.ai/threats/cve-2026-108900-a-vulnerability-has-been-found-in-exponent-cms-up-to-3-0-2patch2) (high, CVSS 7.3, published 12 Oct 2026)
- [CVE-2021-47931: Exponent CMS stored XSS and credential disclosure in text editing endpoint](https://junglewise.ai/threats/cve-2021-47931-exponent-cms-stored-xss-and-credential-disclosure-in-text-editing) (medium, CVSS 6.4, published 10 May 2026)
- [CVE-2015-8684: Exponent CMS XSS via arbitrary file upload in elFinder](https://junglewise.ai/threats/cve-2015-8684-exponent-cms-xss-via-arbitrary-file-upload-in-elfinder) (medium, CVSS 6.1, published 18 Jan 2017)
- [CVE-2015-8667: Exponent CMS cross-site scripting in Reset Your Password module](https://junglewise.ai/threats/cve-2015-8667-exponent-cms-cross-site-scripting-in-reset-your-password-module) (medium, CVSS 6.1, published 18 Jan 2017)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 1 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Exponent CMS vulnerabilities", https://junglewise.ai/threats/vendors/exponent-cms, 12 November 2026.