PT-2026-8100 · WordPress · Super Page Cache

Angus Girvan · CVE-2026-1843 · Published 2026-02-14 · Updated 2026-02-14

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Super Page Cache versions prior to 5.2.3

Description The Super Page Cache plugin for WordPress is susceptible to Stored Cross-Site Scripting through the Activity Log. Insufficient input sanitization and output escaping allows unauthenticated attackers to inject arbitrary web scripts into pages. When a user accesses an injected page, the script will execute.

Recommendations Update Super Page Cache to version 5.2.3 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-1843

Affected Products

Super Page Cache

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-1843 · Security Note
• https://twitter.com/VulmonFeeds/status/2022630016257773734 · Twitter Post
• https://twitter.com/CVEnew/status/2022596058371510397 · Twitter Post
• https://t.me/CVEtracker/44719 · Telegram Post
• https://plugins.trac.wordpress.org/changeset/3454474/wp-cloudflare-page-cache · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/a0c68e1e-5255-4e79-a6d9-a2021836e584?source=cve · Note
• https://t.me/cveNotify/152035 · Telegram Post