Joomlaworks
Joomlaworks K2: vulnerabilities and CVEs
Joomlaworks K2 has 10 published vulnerabilities, 7 of them in the last 12 months. 2 are rated critical and 0 are listed by CISA as actively exploited.
CVEs10
Last 12 months7
Critical2
Actively exploited0
All vulnerabilities in the catalogue →⭐ Follow this technology
Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-48946 | Medium (6.3) | 0.28% | — | Jun 25, 2026 | The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and Apache's standard mod_php matches `\.php$` and executes them under the K2 web user. A K2 Author can upload a `shell.php`, then… |
| CVE-2026-48945 | Medium (5.3) | 0.33% | — | Jun 25, 2026 | The K2 article gallery upload path accepts a zip/tar archive, extracts it under `/media/k2/galleries/<id>/`, and only renames image files (gif/jpg/jpeg/png/webp) to safe names — non-image files (including `.php`) are… |
| CVE-2026-48944 | Medium (6.5) | 0.44% | — | Jun 25, 2026 | The K2 frontend article-save handler accepts an `attachment[N][existing]` POST field that is concatenated with `JPATH_SITE/` and passed to `JFile::copy()`. `JPath::clean` does NOT strip `..`, and there is no allow-list… |
| CVE-2026-48943 | Medium (6.5) | 0.30% | — | Jun 25, 2026 | K2 ≤ 2.24 contains a mass-assignment defect in the K2 system user plugin `plg_user_k2`. A Registered Joomla user, by including the field `K2UserForm=1` in a standard `com_users` `profile.save` POST, can write arbitrary… |
| CVE-2026-48942 | Medium (6.1) | 0.25% | — | Jun 25, 2026 | K2 ≤ 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping. |
| CVE-2026-48941 | Medium (6.5) | 0.27% | — | Jun 25, 2026 | The K2 frontend `item.checkin` task accepts an unauthenticated `sigProFolder` query parameter and uses it directly to address a `JFolder::delete()` call under `/media/k2/galleries/` |
| CVE-2026-48940 | Low (3.4) | 0.28% | — | Jun 25, 2026 | A Joomla user with K2 "create item" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `<script>` tag; K2 stores it verbatim and renders it unescaped to any visitor of the… |
| CVE-2019-19634 | Critical (9.8) | 4.2% | — | Dec 17, 2019 | class.upload.php in verot.net class.upload through 1.0.3 and 2.x through 2.0.4, as used in the K2 extension for Joomla! and other products, omits .pht from the set of dangerous file extensions, a similar issue to… |
| CVE-2019-19576 | Critical (9.8) | 26% | — | Dec 4, 2019 | class.upload.php in verot.net class.upload before 1.0.3 and 2.x before 2.0.4, as used in the K2 extension for Joomla! and other products, omits .phar from the set of dangerous file extensions. |
| CVE-2018-7482 | High (7.5) | 2.3% | — | Feb 28, 2018 | The K2 component 2.8.0 for Joomla! has Incorrect Access Control with directory traversal, allowing an attacker to download arbitrary files, as demonstrated by a… |