CVE-2026-97020 PO/MO Editor <= 1.4.2 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'podata' Parameter
Authenticated attackers can inject arbitrary scripts via the podata parameter, leading to stored XSS execution when users view affected pages.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-97020?
CVE-2026-97020 is a medium-severity cross-site scripting vulnerability in dougwollison PO/MO Editor, published on 14 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The PO/MO Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'podata' parameter in all versions up to, and including, 1.4.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload is loaded as a replacement .po/.mo translation file via the plugin's own load_textdomain_mofile filter, causing WordPress to serve the attacker-written translation in place of the original core strings.
Weakness: CWE-79
Which versions are affected by CVE-2026-97020?
How do I fix CVE-2026-97020?
No fix has been published for CVE-2026-97020 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-2026-97020 being exploited?
There is no known exploitation of CVE-2026-97020 in the wild and no public exploit code.
Sources
Also known as GHSA-5c2x-59qc-4m85.