CVE-2026-48876: WordPress Stop Spammers plugin <= 2026.3 - Cross Site Scripting (XSS) vulnerability

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of 10 Nov 2026.

VulnCheck KEV lists it since 11 Nov 2026. It cites 1 public report, the first from 11 Nov 2026.

• patchstack.com

How likely is exploitation in the next 30 days?

0.2%

EPSS score, percentile 7.1 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?

7.1 High

CVSS v3.1 base score, given by the CNA

What should I do?

Update the WordPress Stop Spammers Plugin to the latest available version (at least 2026.4).Solution from the CVE record.

CISA has set no required action, because the vulnerability is not in KEV.

No patch or vendor advisory is listed in the CVE record. Check Web Guy's advisories.

Which versions are affected?

Affected

• 2026.3 and earlier

Unaffected from 2026.4

Versions by product

Source: CISA KEV 2026.11.10, as of 10 Nov 2026; VulnCheck KEV, as of 12 Nov 2026; FIRST EPSS, as of 11 Nov 2026; CVE List, as of 12 Nov 2026. About the data.

Description

WordPress Stop Spammers plugin <= 2026.3 - Cross Site Scripting (XSS) vulnerability

Unauthenticated Cross Site Scripting (XSS) in Stop Spammers <= 2026.3 versions.

Source: CVE List, as of 12 Nov 2026. About the data.

What to do

Advisories and patches

No patch, vendor advisory or mitigation is listed in the CVE record. Check Web Guy's own security advisories for a fix, and compare your version with the affected versions below.

This summary is based on the CVE record as of 12 Nov 2026. Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Source: CVE List, as of 12 Nov 2026. About the data.

Timeline