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 ca

medium Affects backup-migration (WordPress plugin), clone (WordPress plugin), duplicate-post (WordPress plugin), enhanced-text-widget (WordPress plugin), pop-up (WordPress plugin), redirection (WordPress plugin) and 4 more. Feed 2026.10.29.1, updated 2026-10-28; published 2023-07-28; advisory modified 2026-06-17.

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 ca

Package: backup-migration (WordPress plugin) WordPress
Affected versions: <1.2.8
Fixed in: 1.2.8
Severity: medium CVSS 4.3
Exploitation: not on CISA KEV · EPSS 1% (49.1th percentile)
Published: 2023-07-28
Source: nvd

References

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 ca

Package: clone (WordPress plugin) WordPress
Affected versions: <2.3.8
Fixed in: 2.3.8
Severity: medium CVSS 4.3
Exploitation: not on CISA KEV · EPSS 1% (49.1th percentile)
Published: 2023-07-28
Source: nvd

References

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 ca

Package: duplicate-post (WordPress plugin) WordPress
Affected versions: <1.4.0
Fixed in: 1.4.0
Severity: medium CVSS 4.3
Exploitation: not on CISA KEV · EPSS 1% (49.1th percentile)
Published: 2023-07-28
Source: nvd

References

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 ca

Package: enhanced-text-widget (WordPress plugin) WordPress
Affected versions: <1.5.8
Fixed in: 1.5.8
Severity: medium CVSS 4.3
Exploitation: not on CISA KEV · EPSS 1% (49.1th percentile)
Published: 2023-07-28
Source: nvd

References

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 ca

Package: pop-up (WordPress plugin) WordPress
Affected versions: <1.2.0
Fixed in: 1.2.0
Severity: medium CVSS 4.3
Exploitation: not on CISA KEV · EPSS 1% (49.1th percentile)
Published: 2023-07-28
Source: nvd

References

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 ca

Package: redirection (WordPress plugin) WordPress
Affected versions: <1.1.4
Fixed in: 1.1.4
Severity: medium CVSS 4.3
Exploitation: not on CISA KEV · EPSS 1% (49.1th percentile)
Published: 2023-07-28
Source: nvd

References

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 ca

Package: rss-redirect-\&-feedburner-alternative (WordPress plugin) WordPress
Affected versions: <3.8
Fixed in: 3.8
Severity: medium CVSS 4.3
Exploitation: not on CISA KEV · EPSS 1% (49.1th percentile)
Published: 2023-07-28
Source: nvd

References

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 ca

Package: social-media-share-buttons-\&-social-sharing-icons (WordPress plugin) WordPress
Affected versions: <3.5.8
Fixed in: 3.5.8
Severity: medium CVSS 4.3
Exploitation: not on CISA KEV · EPSS 1% (49.1th percentile)
Published: 2023-07-28
Source: nvd

References

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 ca

Package: ssl-mixed-content-fix (WordPress plugin) WordPress
Affected versions: <3.2.4
Fixed in: 3.2.4
Severity: medium CVSS 4.3
Exploitation: not on CISA KEV · EPSS 1% (49.1th percentile)
Published: 2023-07-28
Source: nvd

References

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 ca

Package: ultimate-posts-widget (WordPress plugin) WordPress
Affected versions: <2.2.5
Fixed in: 2.2.5
Severity: medium CVSS 4.3
Exploitation: not on CISA KEV · EPSS 1% (49.1th percentile)
Published: 2023-07-28
Source: nvd

References

CWE-352

NVD record backup-migration (WordPress plugin) advisories clone (WordPress plugin) advisories duplicate-post (WordPress plugin) advisories enhanced-text-widget (WordPress plugin) advisories pop-up (WordPress plugin) advisories redirection (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

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# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

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