CVE-2007-1049: Cross-site scripting (XSS) vulnerability in the wp_explain_nonce function in the nonce AYS functionality (wp-includes/functions.php) for WordPress 2.0 before 2.0.9 and 2.1 before 2.1.1 allows remote a

medium Affects WordPress core. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Cross-site scripting (XSS) vulnerability in the wp_explain_nonce function in the nonce AYS functionality (wp-includes/functions.php) for WordPress 2.0 before 2.0.9 and 2.1 before 2.1.1 allows remote a

Package
WordPress core WordPress
Affected versions
=0.6.2 or =0.6.2.1 or =0.7 or =0.71 or =1.2.2 or =1.5 or =1.5.1 or =1.5.1.2 or =1.5.1.3 or =1.5.2 or =2.0 or =2.0.1 or =2.0.2 or =2.0.3 or =2.0.4 or =2.0.5 or =2.0.6 or =2.0.7 or =1.2 or =1.2.1
Fixed in
no fix recorded
Severity
medium  CVSS 4.3
Exploitation
not on CISA KEV · EPSS 6% (93.7th percentile)
Published
2007-02-21
Source
nvd

References

NVD recordWordPress core advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs   How findings are ranked

Related advisories