Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS)…
Priority MEDIUM 55CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the Page content.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.022 82nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | backdrop/backdrop (Packagist) | up to 1.23.0 | — | No fix listed | GHSA-58rj-w2qf-qjg7 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- backdrop/backdrop (Packagist) Vendor— Affected up to 1.23.0 Fixed in — No fix listed GHSA-58rj-w2qf-qjg7
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:backdropcms:backdrop_cms:1.23.0:*:*:*:*:*:*:* | 1.23.0 | Vulnerable | backdropcms |
- cpe:2.3:a:backdropcms:backdrop_cms:1.23.0:*:*:*:*:*:*:* Versions 1.23.0 Vulnerable ·backdropcms
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-42095
- 2026-10-03 Alias added: GHSA-58rj-w2qf-qjg7
References
Exploit 2
Advisory 3
Other 1
More backdropcms Backdrop Cms vulnerabilities
- TI-2025-39465 Host Header Injection vulnerability in Backdrop CMS 1.32.1 allows attackers to manipulate… CVSS 3.1MEDIUM 6.1
- TI-2023-14781 A stored Cross-site scripting (XSS) issue in Text Editors and Formats in Backdrop CMS… CVSS 3.1MEDIUM 4.8
- TI-2022-20386 Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS)… CVSS 3.1MEDIUM 4.8
- TI-2025-18731 Cross-site scripting in backdropcms backdrop CVSS 3.1MEDIUM 4.4
- TI-2019-10981 Backdrop CMS 1.12.x before 1.12.8 and 1.13.x before 1.13.3 allows the upload of… CVSS 3.0CRITICAL 9.8
- TI-2022-20383 Backdrop CMS 1.22.0 has Unrestricted File Upload vulnerability via 'themes' that allows… CVSS 3.1HIGH 7.2
Sources
- CVE-2022-42095 · CVE Program
- CVE-2022-42095 · NVD
- FIRST EPSS
- GHSA-58rj-w2qf-qjg7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences