CVE-2026-124635kevquirk PureBlog Unrestricted File Upload
NVD
Vulnerability Summary
A vulnerability was identified in kevquirk PureBlog up to 3.7.2. Impacted is an unknown function of the file admin/upload-image.php of the component Admin Image Upload Endpoint. Such manipulation leads to unrestricted upload. The attack may be launched remotely. Upgrading to version 3.7.3 is recommended to address this issue. The name of the patch is 71f5b0de2ecb2bb2934048ed40e1155c107484e3. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
CVSS v4.0 Base Metrics — Score 5.1 (MEDIUM)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:XAttack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredHigh
User InteractionNone
Confidentiality (Vulnerable System)Low
Integrity (Vulnerable System)Low
Availability (Vulnerable System)Low
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 4.7)
CVSS v3.1 Base Metrics — Score 4.7 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:CAttack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityLow
Affected & Patched Versions
- kevquirk PureBlog 3.7.0
- kevquirk PureBlog 3.7.1
- kevquirk PureBlog 3.7.2
No patched version published yet
Until a fix ships, reduce exposure:
- Restrict access to the affected service or interface to trusted networks.
- Disable the affected feature if you do not need it.
- Watch the vendor advisory for a firmware or software update.
What to do
Fix it during your normal patch cycle. No exploitation is confirmed yet.
- Check whether you run kevquirk PureBlog and which version.
- No patched version is listed yet. Limit access to the affected service to trusted networks, and disable the feature if you can.
- Subscribe to the vendor advisory so you learn when a fix ships.
Timeline
- Nov 9, 2026Published
- Nov 10, 2026Record last modified
Score, severity and exploitation changes are tracked from the day Watchtower started logging them.
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External References
- Advisoryhttps://vuldb.com/vuln/433065
- Advisoryhttps://vuldb.com/vuln/433065/cti
- Advisoryhttps://vuldb.com/cve/CVE-2026-124635
- Advisoryhttps://vuldb.com/submit/1040557
- Issue Trackinghttps://github.com/kevquirk/pureblog/issues/86
- Patchhttps://github.com/kevquirk/pureblog/commit/71f5b0de2ecb2bb2934048ed40e1155c107484e3
- Patchhttps://github.com/kevquirk/pureblog/releases/tag/v3.7.3
- Referencehttps://github.com/kevquirk/pureblog/
Data last checked: Nov 14, 2026 00:39 UTC