Cyber Resilience

CVE-2025-26585

High

Published: 03 March 2025

Published
03 March 2025
Modified
23 April 2026
KEV Added
Patch
CVSS Score v3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EPSS Score 0.0023 46.2th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-26585 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Browser Session Hijacking (T1185); ranked at the 46.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-15 (Information Output Filtering).

Deeper analysis

CVE-2025-26585 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the DyadyaLesha DL Leadback WordPress plugin (dl-leadback). It affects all versions from n/a through 1.2.1 inclusive. Published on 2025-03-03T14:15:55.470, the issue has a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L).

The vulnerability enables exploitation over the network with low complexity, requiring no privileges but user interaction. An attacker can deliver malicious payloads via reflected inputs, such as crafted URLs or form submissions, tricking authenticated users into executing scripts in their browser context when accessing affected pages. Successful exploitation yields low impacts on confidentiality, integrity, and availability, with a changed scope allowing potential effects beyond the vulnerable component.

The primary advisory reference from Patchstack (https://patchstack.com/database/Wordpress/Plugin/dl-leadback/vulnerability/wordpress-dl-leadback-plugin-1-2-1-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve) documents the Reflected XSS in DL Leadback version 1.2.1 for WordPress, providing vulnerability details for affected plugin instances.

EU & UK References

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in DyadyaLesha DL Leadback dl-leadback allows Reflected XSS.This issue affects DL Leadback: from n/a through <= 1.2.1.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1185 Browser Session Hijacking Collection
Adversaries may take advantage of security vulnerabilities and inherent functionality in browser software to change content, modify user-behaviors, and intercept information as part of various browser session hijacking techniques.
T1539 Steal Web Session Cookie Credential Access
An adversary may steal web application or service session cookies and use them to gain access to web applications or Internet services as an authenticated user without needing credentials.
Why these techniques?

The reflected XSS vulnerability allows injection and execution of arbitrary scripts in authenticated users' browsers via crafted URLs, directly enabling browser session hijacking (T1185) and stealing web session cookies (T1539).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-32277Shared CWE-79
CVE-2026-35035Shared CWE-79
CVE-2026-46367Shared CWE-79
CVE-2025-25102Shared CWE-79
CVE-2025-26918Shared CWE-79
CVE-2025-67923Shared CWE-79
CVE-2026-27655Shared CWE-79
CVE-2026-30919Shared CWE-79
CVE-2025-23883Shared CWE-79
CVE-2026-41904Shared CWE-79

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

prevent

SI-15 mandates filtering of information outputs, directly preventing reflected XSS by neutralizing malicious inputs before web page generation.

prevent

SI-10 enforces validation of inputs to reject or sanitize malicious payloads, addressing the improper neutralization exploited in this reflected XSS vulnerability.

prevent

SI-2 requires timely identification and remediation of flaws like this XSS vulnerability in the DL Leadback plugin, eliminating the root cause.

References