Spacer < 3.0.7 - Admin+ Stored XSS
Priority MEDIUM 55Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
The Spacer WordPress plugin before 3.0.7 does not sanitize and escapes some of its settings, which could allow high-privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example, in multisite setup).
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00515 44th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Spacer (Unknown): 3.0.7
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 |
|---|---|---|---|---|---|
| Unknown | Spacer | before 3.0.7 | 3.0.7 | Patch available | CNA |
- Spacer VendorUnknown Affected before 3.0.7 Fixed in 3.0.7 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:clevelandwebdeveloper:spacer:*:*:*:*:*:wordpress:*:* | before 3.0.7 | Vulnerable | clevelandwebdeveloper |
- cpe:2.3:a:clevelandwebdeveloper:spacer:*:*:*:*:*:wordpress:*:* Versions before 3.0.7 Vulnerable ·clevelandwebdeveloper
Remediation
- Fix · CNA Spacer (Unknown) Fixed in 3.0.7
Timeline
- 2026-10-02 Threatist record created from CVE-2022-3618
- 2026-10-03 Alias added: GHSA-xvcr-mm2p-vgrf
References
Sources
- CVE-2022-3618 · CVE Program
- CVE-2022-3618 · NVD
- FIRST EPSS
- GHSA-xvcr-mm2p-vgrf · 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