SVG Block < 1.1.20 - Author+ Stored XSS via SVG File Upload
Priority MEDIUM 60CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The SVG Block WordPress plugin before 1.1.20 does not sanitize SVG file contents, which enables users with at least the author role to SVG with malicious JavaScript to conduct Stored XSS attacks.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00417 36th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed SVG Block (Unknown): 1.1.20
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 | SVG Block | before 1.1.20 | 1.1.20 | Patch available | CNA |
- SVG Block VendorUnknown Affected before 1.1.20 Fixed in 1.1.20 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:boldblocks:svg_block:*:*:*:*:*:wordpress:*:* | before 1.1.20 | Vulnerable | Boldblocks |
- cpe:2.3:a:boldblocks:svg_block:*:*:*:*:*:wordpress:*:* Versions before 1.1.20 Vulnerable ·Boldblocks
Remediation
- Fix · CNA SVG Block (Unknown) Fixed in 1.1.20
Timeline
- 2026-10-02 Threatist record created from CVE-2024-4269
- 2026-10-03 Alias added: GHSA-64h4-j9cq-c2v4
References
Sources
- CVE-2024-4269 · CVE Program
- CVE-2024-4269 · NVD
- FIRST EPSS
- GHSA-64h4-j9cq-c2v4 · 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