What is CVE-2026-1843?

CVE-2026-1843 is a high-severity vulnerability in Optimole Super Page Cache, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-02-14.

How severe is CVE-2026-1843?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in Optimole Super Page Cache

CVE-2026-1843

The Super Page Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Activity Log in all versions up to, and including, 5.2.2 due to insufficient input sanitization and output escaping. This makes it possible for…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (34.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Optimole Super Page Cache — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.wordfence.com/threat-intel/vulnerabilities/id/a0c68e1e-5255-4e79-a6d9-a2021…
plugins.trac.wordpress.org/changeset/3454474/wp-cloudflare-page-cache

Frequently asked questions

What is CVE-2026-1843?: CVE-2026-1843 is a high-severity vulnerability in Optimole Super Page Cache, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-02-14.
How severe is CVE-2026-1843?: High severity. CVSS v3 base score is 7.2 out of 10.