HIGH
WordPress 2.1.1, as downloaded from some official distribution sites during February and March 2007, contains an externally introduced backdoor that allows remote attackers to execute arbitrary commands via (1) an eval injection vulnerability in the ix parameter to wp-includes/feed.php, and (2) an untrusted passthru call in the iz parameter to wp-includes/theme.php
Published Mar 5, 2007
7.5
HIGHCVSS 2.0
EPSS 27.01%
Description
WordPress 2.1.1, as downloaded from some official distribution sites during February and March 2007, contains an externally introduced backdoor that allows remote attackers to execute arbitrary commands via (1) an eval injection vulnerability in the ix parameter to wp-includes/feed.php, and (2) an untrusted passthru call in the iz parameter to wp-includes/theme.php.
Affected products
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.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
27.01% 0.27006
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.27006
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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 27.01% (0.27006) | 97.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 27.01% (0.27006) | 97.78th | v5 (v2026.06.15) |
| Mar 30, 2025 | 85.17% (0.85170) | 99.30th | v4 (v2025.03.14) |
| Mar 29, 2025 | 22.17% (0.22168) | 93.18th | v4 (v2025.03.14) |
| Mar 24, 2025 | 85.17% (0.85170) | 99.33th | v4 (v2025.03.14) |
| Mar 23, 2025 | 82.28% (0.82280) | 99.17th | v4 (v2025.03.14) |
| Mar 17, 2025 | 85.17% (0.85170) | 99.31th | v4 (v2025.03.14) |
| Jan 23, 2025 | 88.99% (0.88993) | 99.00th | v3 (v2023.03.01) |
| Dec 17, 2024 | 91.45% (0.91455) | 99.14th | v3 (v2023.03.01) |
| Dec 12, 2024 | 96.17% (0.96168) | 99.58th | v3 (v2023.03.01) |
| Apr 30, 2024 | 96.33% (0.96331) | 99.53th | v3 (v2023.03.01) |
| Mar 23, 2024 | 96.38% (0.96381) | 99.53th | v3 (v2023.03.01) |
| Feb 14, 2024 | 96.69% (0.96691) | 99.61th | v3 (v2023.03.01) |
| Jan 7, 2024 | 96.27% (0.96271) | 99.42th | v3 (v2023.03.01) |
| Nov 30, 2023 | 96.39% (0.96393) | 99.44th | v3 (v2023.03.01) |
| Oct 23, 2023 | 96.64% (0.96640) | 99.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.65% (0.96653) | 99.34th | v3 (v2023.03.01) |
| Mar 6, 2023 | 11.00% (0.10995) | 94.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 11.00% (0.10995) | 94.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.00% (0.10995) | 88.52th | v2 (v2022.01.01) |
Weaknesses (1)
References (10)
- http://ifsec.blogspot.com/2007/03/wordpress-code-compromised-to-enable.html x_refsource_MISCExploit
- http://secunia.com/advisories/24374 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://wordpress.org/development/2007/03/upgrade-212/ x_refsource_CONFIRMVendor Advisory
- http://www.kb.cert.org/vuls/id/214480 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.kb.cert.org/vuls/id/641456 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.securityfocus.com/archive/1/461794/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/22797 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2007/0812 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/32804 vdb-entryx_refsource_XF
- https://exchange.xforce.ibmcloud.com/vulnerabilities/32807 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://ifsec.blogspot.com/2007/03/wordpress-code-compromised-to-enable.html | x_refsource_MISCExploit | |
| http://secunia.com/advisories/24374 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://wordpress.org/development/2007/03/upgrade-212/ | x_refsource_CONFIRMVendor Advisory | |
| http://www.kb.cert.org/vuls/id/214480 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.kb.cert.org/vuls/id/641456 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.securityfocus.com/archive/1/461794/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/22797 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2007/0812 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/32804 | vdb-entryx_refsource_XF | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/32807 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 5, 2007
Updated Aug 7, 2024
Reserved Mar 5, 2007
Link CVE-2007-1277
CISA Vulnrichment
Updated n/a