Cyber Resilience

CVE-2023-0958

Medium

Published: 28 July 2023

Published
28 July 2023
Modified
08 April 2026
KEV Added
Patch
CVSS Score v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS Score 0.0030 53.7th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-0958 is a medium-severity Missing Authorization (CWE-862) vulnerability in Backupbliss Backup Migration. Its CVSS base score is 4.3 (Medium).

Operationally, ranked in the top 46.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Several plugins for WordPress by Inisev are vulnerable to unauthorized installation of plugins due to a missing capability check on the handle_installation function that is called via the inisev_installation AJAX aciton in various versions. This makes it possible for authenticated…

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attackers with minimal permissions, such as subscribers, to install select plugins from Inisev on vulnerable sites. CVE-2023-38514 appears to be a duplicate of this vulnerability.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

backupbliss
backup migration
≤ 1.2.8
backupbliss
clone
≤ 2.3.8
copy-delete-posts
duplicate post
≤ 1.4.0
inisev
enhanced text widget
≤ 1.5.8
inisev
redirection
≤ 1.1.4
inisev
rss redirect \& feedburner alternative
≤ 3.8
inisev
ssl mixed content fix
≤ 3.2.4
inisev
ultimate posts widget
≤ 2.2.5
mypopups
pop-up
≤ 1.2.0
socialshare
social share icons \& social share buttons
≤ 3.5.8
+1 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-862

Requiring an access control policy ensures authorization checks are defined and applied for critical functions.

addresses: CWE-862

Reviews of access controls detect missing authorization checks on critical functions or resources.

addresses: CWE-862

Documenting permitted unauthenticated actions prevents missing authorization by making all exceptions explicit and subject to organizational review.

addresses: CWE-862

Requiring attribute association with information prevents authorization from being performed without necessary security or privacy context.

addresses: CWE-862

Mandating authorization prior to allowing remote connections addresses missing authorization for remote access.

addresses: CWE-862

Mandating authorization before wireless connections are allowed prevents missing authorization for wireless access.

addresses: CWE-862

The control requires authorization before allowing mobile device connections, directly mitigating missing authorization for system access.

addresses: CWE-862

Requiring approvals for account creation and specifying authorizations ensures authorization is not missing for system access.

References