K2
by Joomlaworks
CVEs (10)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2019-19634 | Cri | 0.64 | 9.8 | 0.04 | 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. | ||
| CVE-2019-19576 | Cri | 0.62 | 9.8 | 0.26 | 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 | Hig | 0.49 | 7.5 | 0.02 | 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 view=media&task=connector&cmd=file&target=l1_../configuration.php&download=1 request. The specific pathname… | ||
| CVE-2026-48946 | Med | 0.00 | 6.3 | 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-2026-48945 | Med | 0.00 | 5.3 | 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-2026-48944 | Med | 0.00 | 6.5 | 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 | Med | 0.00 | 6.5 | 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-2026-48942 | Med | 0.00 | 6.1 | 0.00 | 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 | Med | 0.00 | 6.5 | 0.00 | 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 | 0.00 | 3.4 | 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. |
- risk 0.64cvss 9.8epss 0.04
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.
- risk 0.62cvss 9.8epss 0.26
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.
- risk 0.49cvss 7.5epss 0.02
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 view=media&task=connector&cmd=file&target=l1_../configuration.php&download=1 request. The specific pathname…
- risk 0.00cvss 6.3epss 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…
- risk 0.00cvss 5.3epss 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.
- risk 0.00cvss 6.5epss 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…
- risk 0.00cvss 6.5epss 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…
- risk 0.00cvss 6.1epss 0.00
K2 ≤ 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping.
- risk 0.00cvss 6.5epss 0.00
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/`
- risk 0.00cvss 3.4epss 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.