K2
by Joomla
CVEs (5)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-48945 | 0.00 | — | 0.00 | Jun 25, 2026 | The K2 article gallery upload path accepts a zip/tar archive, extracts it under `/media/k2/galleries//`, and only renames image files (gif/jpg/jpeg/png/webp) to safe names — non-image files (including `.php`) are extracted as-is and remain executable via direct HTTP access. | |||
| CVE-2026-48940 | 0.00 | — | 0.00 | 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 `` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page. | |||
| CVE-2026-48946 | 0.00 | — | 0.00 | Jun 25, 2026 | The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and Apache's standard mod_php matches `\.php$` and executes them under the K2 web user. A K2 Author can upload a `shell.php`, then fetch `/media/k2/attachments/shell.php` and execute… | |||
| CVE-2026-48944 | 0.00 | — | 0.00 | Jun 25, 2026 | The K2 frontend article-save handler accepts an `attachment[N][existing]` POST field that is concatenated with `JPATH_SITE/` and passed to `JFile::copy()`. `JPath::clean` does NOT strip `..`, and there is no allow-list of source paths. An Author can therefore copy… | |||
| CVE-2026-48943 | 0.00 | — | 0.00 | Jun 25, 2026 | K2 ≤ 2.24 contains a mass-assignment defect in the K2 system user plugin `plg_user_k2`. A Registered Joomla user, by including the field `K2UserForm=1` in a standard `com_users` `profile.save` POST, can write arbitrary values into the `notes`, `image`, and `plugins` columns of… |
- CVE-2026-48945Jun 25, 2026risk 0.00cvss —epss 0.00
The K2 article gallery upload path accepts a zip/tar archive, extracts it under `/media/k2/galleries//`, and only renames image files (gif/jpg/jpeg/png/webp) to safe names — non-image files (including `.php`) are extracted as-is and remain executable via direct HTTP access.
- CVE-2026-48940Jun 25, 2026risk 0.00cvss —epss 0.00
A Joomla user with K2 "create item" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.
- CVE-2026-48946Jun 25, 2026risk 0.00cvss —epss 0.00
The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and Apache's standard mod_php matches `\.php$` and executes them under the K2 web user. A K2 Author can upload a `shell.php`, then fetch `/media/k2/attachments/shell.php` and execute…
- CVE-2026-48944Jun 25, 2026risk 0.00cvss —epss 0.00
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 of source paths. An Author can therefore copy…
- CVE-2026-48943Jun 25, 2026risk 0.00cvss —epss 0.00
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 values into the `notes`, `image`, and `plugins` columns of…