CVE-2025-26739 WordPress newseqo theme <= 2.1.1 - Stored Cross Site Scripting (XSS) vulnerability
Attackers can inject malicious scripts into the newseqo WordPress theme, potentially compromising user sessions or site integrity.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-26739?
CVE-2025-26739 is a medium-severity cross-site scripting vulnerability in themefunction newseqo, published on 26 Mar 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in themefunction newseqo allows Stored XSS.This issue affects newseqo: from n/a through 2.1.1.
Weakness: CWE-79
Which versions are affected by CVE-2025-26739?
How do I fix CVE-2025-26739?
No fix has been published for CVE-2025-26739 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-26739 being exploited?
There is no known exploitation of CVE-2025-26739 in the wild and no public exploit code.
Sources
Also known as GHSA-ccxp-4v4f-798f.