Unrestricted file upload vulnerability in html/Upload.php in the FCChat Widget plugin 2.2.13.1 and earlier for WordPress allows remote attackers to execute arbitrary code by uploading a file with a file with an executable extension followed by a safe extension, then accessing it via a direct request to the file in html/images
Published Jun 17, 2012
6.8
MEDIUMCVSS 2.0
EPSS 8.35%
Description
Unrestricted file upload vulnerability in html/Upload.php in the FCChat Widget plugin 2.2.13.1 and earlier for WordPress allows remote attackers to execute arbitrary code by uploading a file with a file with an executable extension followed by a safe extension, then accessing it via a direct request to the file in html/images.
Affected products
No data.
- ≤ 2.2.13.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 8.35% (0.08352) | 94.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.69% (0.07694) | 93.81th | v5 (v2026.06.15) |
| May 9, 2026 | 14.40% (0.14398) | 94.47th | v4 (v2025.03.14) |
| Feb 16, 2026 | 19.05% (0.19047) | 95.17th | v4 (v2025.03.14) |
| Jul 11, 2025 | 17.84% (0.17845) | 94.83th | v4 (v2025.03.14) |
| Mar 30, 2025 | 11.62% (0.11619) | 93.01th | v4 (v2025.03.14) |
| Mar 29, 2025 | 24.89% (0.24889) | 93.80th | v4 (v2025.03.14) |
| Mar 24, 2025 | 11.62% (0.11619) | 93.00th | v4 (v2025.03.14) |
| Mar 23, 2025 | 18.17% (0.18173) | 94.40th | v4 (v2025.03.14) |
| Mar 19, 2025 | 11.62% (0.11619) | 92.75th | v4 (v2025.03.14) |
| Mar 17, 2025 | 9.15% (0.09152) | 92.08th | v4 (v2025.03.14) |
| Dec 16, 2024 | 6.85% (0.06846) | 94.17th | v3 (v2023.03.01) |
| Jul 6, 2024 | 13.61% (0.13612) | 95.67th | v3 (v2023.03.01) |
| May 13, 2024 | 18.71% (0.18712) | 96.21th | v3 (v2023.03.01) |
| Nov 12, 2023 | 24.29% (0.24291) | 96.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 25.08% (0.25081) | 95.90th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.69% (0.07687) | 93.05th | v2 (v2022.01.01) |
| Dec 1, 2022 | 7.69% (0.07687) | 92.86th | v2 (v2022.01.01) |
| Aug 31, 2022 | 9.05% (0.09049) | 93.84th | v2 (v2022.01.01) |
| May 30, 2022 | 10.66% (0.10659) | 94.29th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.75% (0.12753) | 95.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.75% (0.12753) | 90.05th | v2 (v2022.01.01) |
References (5)
- http://packetstormsecurity.org/files/113323/WordPress-FCChat-Widget-2.x-Shell-Upload.html x_refsource_MISCExploit
- http://secunia.com/advisories/49419 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.opensyscom.fr/Actualites/wordpress-plugins-fcchat-widget-shell-upload-vulnerability.html x_refsource_MISCExploit
- http://www.securityfocus.com/bid/53855 vdb-entryx_refsource_BIDExploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/76123 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.org/files/113323/WordPress-FCChat-Widget-2.x-Shell-Upload.html | x_refsource_MISCExploit | |
| http://secunia.com/advisories/49419 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.opensyscom.fr/Actualites/wordpress-plugins-fcchat-widget-shell-upload-vulnerability.html | x_refsource_MISCExploit | |
| http://www.securityfocus.com/bid/53855 | vdb-entryx_refsource_BIDExploit | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/76123 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.