PT-2026-22705 · WordPress · Blocksy Theme+1

Quốc Huy · Published 2026-03-02 · Updated 2026-03-03 · CVE-2026-2583

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Blocksy theme for WordPress versions up to and including 2.1.30

Description The Blocksy theme for WordPress is susceptible to Stored Cross-Site Scripting through the blocksy meta metadata fields. Insufficient input sanitization and output escaping allow authenticated attackers with Contributor-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the injected page. The vulnerable parameter is blocksy meta.

Recommendations Update to a version of the Blocksy theme for WordPress later than 2.1.30.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-2583

Affected Products

Blocksy Theme

Wordpress

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2026-2583 · Security Note
• https://themes.trac.wordpress.org/changeset/315531 · Note
• https://t.me/cveNotify/154041 · Telegram Post
• https://t.me/CVEtracker/46174 · Telegram Post
• https://twitter.com/infoflowcloud/status/2028606635447341405 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/ce7ee2c7-0c7b-4ce3-89d2-5503dff6e59c?source=cve · Note
• https://twitter.com/CVEnew/status/2028605126596792518 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2028680989493415996 · Twitter Post