CVE-2021-24808

CVE-2021-24808 is a medium-severity vulnerability in Wordplus Better Messages with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

The BP Better Messages WordPress plugin before 1.9.9.41 sanitise (with sanitize_text_field) but does not escape the 'subject' parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue

Frequently asked questions

What is CVE-2021-24808?
The BP Better Messages WordPress plugin before 1.9.9.41 sanitise (with sanitize_text_field) but does not escape the 'subject' parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue
How severe is CVE-2021-24808?
CVE-2021-24808 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24808 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24808?
CVE-2021-24808 affects Wordplus Better Messages. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24808?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24808 published?
CVE-2021-24808 was published on 2021-11-01 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Wordplus Better Messages

All CVEs affecting Wordplus Better Messages →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →