CVE-2023-3977: Inisev Plugins (Various Versions) - Cross-Site Request Forgery on handle_installation function
Vulnerability summary
CVE-2023-3977 is a medium (CVSS 4.3) Cross-Site Request Forgery (CSRF) vulnerability in backupbliss backup_migration. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48.5% of scored vulnerabilities. 18 public exploits are recorded.
Timeline
- 28-07-2023PublishedVulnerability first disclosed.
- 08-04-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- wordfenceSource4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.61%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.61% on 22-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
18 foundExploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Show all 18 exploits
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Exploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Wordpress11 products
- backup-backup≤ 1.2.7 (fixed in 1.2.8)
- copy-delete-posts≤ 1.3.9 (fixed in 1.4.0)
- enhanced-text-widget≤ 1.5.7 (fixed in 1.5.8)
- feedburner-alternative-and-rss-redirect≤ 3.7 (fixed in 3.8)
- http-https-remover≤ 3.2.3 (fixed in 3.2.4)
Inisev10 products
- backupbliss – backup & migration with free cloud storage≤ 1.2.7
- duplicate post≤ 1.3.9
- enhanced_text_widget< 1.5.8
- pop-up≤ 1.1.9
- redirection≤ 1.1.3 | < 1.1.4
Backupbliss2 products
- backup_migration< 1.2.8
- clone< 2.3.8
Cl2722 products
- enhanced text widget≤ 1.5.7
- ultimate posts widget≤ 2.2.4
Copy-delete-posts1 product
- duplicate_post< 1.4.0
Migrate1 product
- clone≤ 2.3.7
Mypopups1 product
- pop-up< 1.2.0
S-feeds1 product
Steve85b1 product
- ssl mixed content fix≤ 3.2.3
Ultimatelysocial1 product
10 vendors · 31 products