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CVE-2023-0958

MEDIUMCVSS 6.5/10EPSS 0.56%

Last modified

CVE-2023-0958 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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 attackers with minimal permissions, such as subscribers, to install select plugins from Inisev on vulnerable sites. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

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 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.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS Probability
0.56%

42.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
BackupblissBackup Migration< 1.2.8
BackupblissClone< 2.3.8
Copy-Delete-PostsDuplicate Post< 1.4.0
InisevEnhanced Text Widget< 1.5.8
InisevRedirection< 1.1.4
InisevRss Redirect \& Feedburner Alternative< 3.8
InisevSsl Mixed Content Fix< 3.2.4
InisevUltimate Posts Widget< 2.2.5
MypopupsPop-Up< 1.2.0
SocialshareSocial Share Icons \& Social Share Buttons< 3.5.8
UltimatelysocialSocial Media Share Buttons \& Social Sharing Icons< 2.8.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-0958?
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 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.
How severe is CVE-2023-0958?
CVE-2023-0958 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.
How do I fix CVE-2023-0958?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-0958?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST