wp-includes/comment.php in WordPress before 3.0.2 does not properly whitelist trackbacks and pingbacks in the blogroll, which allows remote attackers to bypass intended spam restrictions via a crafted URL, as demonstrated by a URL that triggers a substring match.
An official patch is available. Apply the patch as soon as possible.
Patch StatusOfficial Patch
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | PoC | E: U→P | 0.0 → 0.0 |
| 2026-07-21 | nvd | patch: Unavailable→Official Patch | 0.0 → 0.0 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 0.0 |
Affected Software
| Vendor | Product | Version |
|---|
| wordpress | wordpress | ≤ 3.0.1 |
| wordpress | wordpress | 2.0 |
| wordpress | wordpress | 2.0.1 |
| wordpress | wordpress | 2.0.10 |
| wordpress | wordpress | 2.0.11 |
| wordpress | wordpress | 2.0.2 |
| wordpress | wordpress | 2.0.4 |
| wordpress | wordpress | 2.0.5 |
| wordpress | wordpress | 2.0.6 |
| wordpress | wordpress | 2.0.7 |
| wordpress | wordpress | 2.0.8 |
| wordpress | wordpress | 2.0.9 |
| wordpress | wordpress | 2.1 |
| wordpress | wordpress | 2.1.1 |
| wordpress | wordpress | 2.1.2 |
| wordpress | wordpress | 2.1.3 |
| wordpress | wordpress | 2.2 |
| wordpress | wordpress | 2.2.1 |
| wordpress | wordpress | 2.2.2 |
| wordpress | wordpress | 2.2.3 |
| wordpress | wordpress | 2.3 |
| wordpress | wordpress | 2.3.1 |
| wordpress | wordpress | 2.3.2 |
| wordpress | wordpress | 2.3.3 |
| wordpress | wordpress | 2.5 |
| wordpress | wordpress | 2.5.1 |
| wordpress | wordpress | 2.6 |
| wordpress | wordpress | 2.6.1 |
| wordpress | wordpress | 2.6.2 |
| wordpress | wordpress | 2.6.3 |
| wordpress | wordpress | 2.6.5 |
| wordpress | wordpress | 2.7 |
| wordpress | wordpress | 2.7.1 |
| wordpress | wordpress | 2.8 |
| wordpress | wordpress | 2.8.1 |
| wordpress | wordpress | 2.8.2 |
| wordpress | wordpress | 2.8.3 |
| wordpress | wordpress | 2.8.4 |
| wordpress | wordpress | 2.8.5 |
| wordpress | wordpress | 2.8.5.1 |
| wordpress | wordpress | 2.8.5.2 |
| wordpress | wordpress | 2.8.6 |
| wordpress | wordpress | 2.9 |
| wordpress | wordpress | 2.9.1 |
| wordpress | wordpress | 2.9.1.1 |
| wordpress | wordpress | 2.9.2 |
| wordpress | wordpress | 3.0 |
Published: 2014-01-21
