WordPress plugin vulnerabilities
Under Construction vulnerabilities
Known security issues in the Under Construction WordPress plugin, by affected version, with severity, CVE and the version that fixes each one.
- Plugin slug
- under-construction-page
- Latest version
- 5.83
- Active installs
- 600,000+
- Known vulnerabilities
- 8
- Data updated
- 2026-10-18 11:11 UTC
Check your version
This information comes from public vulnerability databases and may be incomplete or out of date. A plugin with no known vulnerabilities is not proof that it is secure; keep plugins updated and remove the ones you do not use.
Fixed in version 5.83 (1)
| Vulnerability | Severity | CVSS | Affected versions | Published |
|---|---|---|---|---|
| Under Construction <= 5.82 - Unauthenticated Stored Cross-Site Scripting CVE-2026-81295 · Source | High | 7.1 | < 5.83 | 2023-02-10 |
Fixed in version 5.81 (1)
| Vulnerability | Severity | CVSS | Affected versions | Published |
|---|---|---|---|---|
| UnderConstructionPage PRO <= 5.76 - Authenticated (Subscriber+) Arbitrary File Read via template_thumbnail Parameter CVE-2026-11426 · Source | Medium | 6.5 | < 5.81 | 2026-07-10 |
Fixed in version 3.97 (3)
| Vulnerability | Severity | CVSS | Affected versions | Published |
|---|---|---|---|---|
| Under Construction <= 3.96 - Cross-Site Request Forgery via admin_action_install_weglot CVE-2023-0832 · Source | Medium | 4.3 | < 3.97 | 2023-02-10 |
| Under Construction <= 3.96 - Cross-Site Request Forgery via admin_action_ucp_dismiss_notice CVE-2023-0831 · Source | Medium | 4.3 | < 3.97 | 2023-02-10 |
| WordPress Under Construction Plugin <= 3.96 is vulnerable to Cross Site Request Forgery (CSRF) No CVE assigned · Source | Not rated | - | < 3.97 | 2023-02-10 |
Fixed in version 3.86 (3)
| Vulnerability | Severity | CVSS | Affected versions | Published |
|---|---|---|---|---|
| WordPress Under Construction plugin <= 3.85 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability No CVE assigned · Source | Not rated | - | < 3.86 | 2021-01-20 |
| Under Construction <= 3.85 - Authenticated Stored Cross-Site Scripting No CVE assigned · Source | Not rated | - | < 3.86 | 2021-01-20 |
| Under Construction < 3.86 - Authenticated Stored Cross-Site Scripting (XSS) No CVE assigned · Source | Not rated | - | < 3.86 | - |
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Sources and attribution
- Vulnerability data from WPVulnerability (WordPress, plugins, themes and server software). WPVulnerability data license.
- CVE records are copyright The MITRE Corporation. CVE Terms of Use.
- Known-exploited status from the CISA Known Exploited Vulnerabilities catalog. Public domain (U.S. Government work).
- Plugin names, latest versions and install counts from the WordPress.org plugin directory. WordPress is a trademark of the WordPress Foundation; Webforta is not affiliated with or endorsed by WordPress.org, WPVulnerability or the sources above.