Medium
Cross-site Scripting in Backdrop CMS
Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the Page content.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | backdrop/backdrop | <= 1.23.0 | no fix |
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-42095
- https://backdropcms.org
- https://github.com/backdrop/backdrop/releases/tag/1.23.0
- https://github.com/bypazs/CVE-2022-42095
- https://github.com/bypazs/Declined_backdrop-XSS-at-pAGES
- https://grimthereaperteam.medium.com/declined-backdrop-xss-at-pages-26e5d63686bc
CVSS score
4.8/10
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Composer
- Package
backdrop/backdrop- Disclosed
- 23.11.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-58rj-w2qf-qjg7 - CC BY 4.0
Vulnerability history: backdrop/backdrop
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 8
- First → latest
- 10.2022 11.2025
- Without a fix
- 6
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 7
Disclosures per year
- 2022: 5
- 2023: 1
- 2024: 1
- 2025: 1
- 2026: 0
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Cross-site Scripting in Backdrop CMS this entry
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