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CVE-2023-3977

MEDIUMCVSS 4.3/10EPSS 0.51%

Last modified

CVE-2023-3977 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Several plugins for WordPress by Inisev are vulnerable to Cross-Site Request Forgery to unauthorized installation of plugins due to a missing nonce check on the handle_installation function that is called via the inisev_installation AJAX aciton in various versions. This makes it possible for unauthenticated attackers to install plugins from the limited list via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

Several plugins for WordPress by Inisev are vulnerable to Cross-Site Request Forgery to unauthorized installation of plugins due to a missing nonce check on the handle_installation function that is called via the inisev_installation AJAX aciton in various versions. This makes it possible for unauthenticated attackers to install plugins from the limited list via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Metrics

CVSS 3.1
4.3/10

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

EPSS Probability
0.51%

39.6th 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
UltimatelysocialSocial Media Share Buttons \& Social Sharing Icons< 3.5.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-3977?
Several plugins for WordPress by Inisev are vulnerable to Cross-Site Request Forgery to unauthorized installation of plugins due to a missing nonce check on the handle_installation function that is called via the inisev_installation AJAX aciton in various versions. This makes it possible for unauthenticated attackers to install plugins from the limited list via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
How severe is CVE-2023-3977?
CVE-2023-3977 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.
How do I fix CVE-2023-3977?
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.

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Source: NVD / NIST