Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors vulnerabilities
Plugin slug publishpress-authors · 8 known vulnerabilities · latest disclosed 2026-10-30 · WordPress.org page
Every listed vulnerability has a fix. Version 4.18.0 or later is not affected by any of them. If your site runs an older version, update it.
2 of 8 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 6.4 | <= 4.17.0 | 4.18.0 | CVE-2026-111592 | 2026-10-30 | Advisory |
| Medium 6.4 | <= 4.17.0 | 4.18.0 | CVE-2026-115610 | 2026-10-29 | Advisory |
| Medium 5.4 | <= 4.15.0 | 4.16.0 | CVE-2026-85657 | 2026-09-14 | Advisory |
| Medium 5.3 | <= 4.10.1 | 4.11.0 | CVE-2026-25309 | 2026-03-17 | Advisory |
| Medium 4.3 | <= 4.10.1 | 4.11.0 | CVE-2026-25330 | 2026-02-06 | Advisory |
| High 8.8 | <= 4.7.5 | 4.7.6 | CVE-2025-47496 | 2025-05-07 | Advisory |
| Medium 4.9 | <= 4.7.3 | 4.7.4 | CVE-2025-26886 | 2025-03-03 | Advisory |
| High 8.8 | <= 4.7.1 | 4.7.2 | CVE-2024-9215 | 2024-10-16 | Advisory |
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Questions
Is the Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors plugin safe to use?
All 8 known issues are fixed in current versions (4.18.0 or later). Keeping it updated is what matters.
How do I check which version of Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.