How severe is CVE-2021-47924?

CVE-2021-47924 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-47924 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2021-47924?

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

Does CVE-2021-47924 have an EU (EUVD) identifier?

Yes. CVE-2021-47924 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34786.

When was CVE-2021-47924 published?

CVE-2021-47924 was published on 2026-05-10 and last updated on 2026-06-17.

CVE-2021-47924

CVE-2021-47924 is a medium-severity vulnerability with a CVSS 3.x base score of 6.4. 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 6.4)
CVSS v4: 5.1
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-34786
Weakness: CWE-79
Published: 2026-05-10
Last modified: 2026-06-17

Description

Ultimate Product Catalogue 5.8.2 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the price parameter. Attackers can submit POST requests to post.php with HTML/JavaScript payloads in the price field to execute arbitrary code when the product is viewed.

Frequently asked questions

What is CVE-2021-47924?: Ultimate Product Catalogue 5.8.2 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the price parameter. Attackers can submit POST requests to post.php with HTML/JavaScript payloads in the price field to execute arbitrary code when the product is viewed.
How severe is CVE-2021-47924?: CVE-2021-47924 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-47924 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2021-47924?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2021-47924 have an EU (EUVD) identifier?: Yes. CVE-2021-47924 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34786.
When was CVE-2021-47924 published?: CVE-2021-47924 was published on 2026-05-10 and last updated on 2026-06-17.

References

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

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CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

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