# CVE-2018-18307: Withdrawn Advisory: AlchemyCMS is vulnerable to stored XSS via the /admin/pictures image field

Source: https://junglewise.ai/threats/cve-2018-18307-withdrawn-advisory-alchemycms-is-vulnerable-to-stored-xss-via-the  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-14  
License: CC BY 4.0 with a link back

CVE-2018-18307 · Severity: low · CVSS 3.1 · Published 2022-05-14

Withdrawn Advisory: AlchemyCMS is vulnerable to stored XSS via the /admin/pictures image field

Technologies: [alchemy_cms (RubyGems)](https://junglewise.ai/threats/technologies/alchemy-cms). Vendors: [RubyGems](https://junglewise.ai/threats/vendors/rubygems).

## Quick answers

**Is CVE-2018-18307 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2018-18307 being exploited in the wild.

**How severe is CVE-2018-18307?** Low severity, with a CVSS score of 3.1, published 14 May 2022.

**Which products and versions are affected?** alchemy_cms (RubyGems). The advisory does not name versions.

**Is there a fix for CVE-2018-18307?** 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.

**Am I affected by CVE-2018-18307?** Check whether you run alchemy_cms (RubyGems). 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.

## Affected products

- alchemy_cms (RubyGems)

## Identifiers

- CVE-2018-18307
- GHSA-7mj4-2984-955f

## Related threats

- [Alchemy CMS authorization bypass in pages API endpoint](https://junglewise.ai/threats/cve-2026-57579-alchemy-cms-authorization-bypass-in-pages-api-endpoint)
- [AlchemyCMS: Authenticated Remote Code Execution (RCE) via eval injection in ResourcesHelper](https://junglewise.ai/threats/cve-2026-23885-alchemycms-authenticated-remote-code-execution-rce-via-eval)