CVE-2026-121573— WordPress WP Activity Log plugin <= 5.6.7 - Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected

Melapress WP Activity Log

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Melapress WP Activity Log（wp-security-audit-log）插件在生成网页时未能正确净化用户输入，存在跨站脚本（XSS）漏洞，可导致存储型 XSS 攻击。该问题影响 WP Activity Log 插件从未知版本至 5.6.7 版本。

CVSS 6.5 · Medium Updated Nov 10, 2026

Possible ATT&CK Techniques 2 AI

T1203 · Exploitation for Client Execution T1059.007 · JavaScript

Affected Version Matrix 1

Vendor	Product	Version Range	Status
Melapress	WP Activity Log	`≤ 5.6.7`	affected

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Vulnerability Information

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Vulnerability Title

WordPress WP Activity Log plugin <= 5.6.7 - Cross Site Scripting (XSS) vulnerability

Source: CVE Program / CVE List V5

Vulnerability Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Melapress WP Activity Log wp-security-audit-log allows Stored XSS.This issue affects WP Activity Log: from n/a through 5.6.7.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Source: CVE Program / CVE List V5

Vulnerability Type

在Web页面生成时对输入的转义处理不恰当(跨站脚本)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Melapress	WP Activity Log	0 ~ 5.6.7	-

II. Public POCs for CVE-2026-121573

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-121573

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Other References for CVE-2026-121573 (1)

https://patchstack.com/database/wordpress/plugin/wp-security-audit-log/vulnerability/wordpress-wp-activity-log-plugin-5-6-7-cross-site-scripting-xss-vulnerability?_s_id=cve vdb-entry

https://www.cve.org/CVERecord?id=CVE-2026-121573

IV. Related Vulnerabilities

Same product: WP Activity Log

Same vendor: Melapress

Same weakness: CWE-79