CVE-2021-24439

MEDIUM 5.4CVE-2021-24439 · Published 12/07/2021 · updated 17/06/2026

In short

CVE-2021-24439 is a MEDIUM (CVSS 5.4) vulnerability affecting browser screenshots (prothemedesign).
Chance of exploitation in the next 30 days (EPSS): 0.62%, higher than 49.7% of all vulnerabilities.
Fix: update to 1.7.6 or later.

Package	Affected versions	Patched versions
browser screenshots prothemedesign	`< 1.7.6`	`1.7.6`

Description

The Browser Screenshots WordPress plugin before 1.7.6 allowed authenticated users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks as the image_class parameter of the browser-shot shortcode was not escaped.

References

wpscan.com/vulnerability/9c538c51-ae58-461d-b93b-cc9dfebf2bc0 · Exploit

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