How severe is CVE-2021-24525?

CVE-2021-24525 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-24525 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24525?

CVE-2021-24525 affects Getshortcodes Shortcodes Ultimate. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24525?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-24525 published?

CVE-2021-24525 was published on 2021-09-20 and last updated on 2026-06-17.

CVE-2021-24525

CVE-2021-24525 is a medium-severity vulnerability in Getshortcodes Shortcodes Ultimate with a CVSS 3.x base score of 5.4. 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

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Getshortcodes Shortcodes Ultimate
Published: 2021-09-20
Last modified: 2026-06-17

Description

The Shortcodes Ultimate WordPress plugin before 5.10.2 allows users with Contributor roles to perform stored XSS via shortcode attributes. Note: the plugin is inconsistent in its handling of shortcode attributes; some do escape, most don't, and there are even some attributes that are insecure by design (like [su_button]'s onclick attribute).

Frequently asked questions

What is CVE-2021-24525?: The Shortcodes Ultimate WordPress plugin before 5.10.2 allows users with Contributor roles to perform stored XSS via shortcode attributes. Note: the plugin is inconsistent in its handling of shortcode attributes; some do escape, most don't, and there are even some attributes that are insecure by design (like [su_button]'s onclick attribute).
How severe is CVE-2021-24525?: CVE-2021-24525 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24525 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24525?: CVE-2021-24525 affects Getshortcodes Shortcodes Ultimate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24525?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24525 published?: CVE-2021-24525 was published on 2021-09-20 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/7f5659bd-50c3-4725-95f4-cf88812acf1c

Affected products (1)

cpe:2.3:a:getshortcodes:shortcodes_ultimate:*:*:*:*:*:wordpress:*:*

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