How severe is CVE-2021-24426?

CVE-2021-24426 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-24426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24426?

CVE-2021-24426 affects Web-dorado Backup-wd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24426?

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

When was CVE-2021-24426 published?

CVE-2021-24426 was published on 2021-07-12 and last updated on 2026-06-17.

CVE-2021-24426

CVE-2021-24426 is a medium-severity vulnerability in Web-dorado Backup-wd with a CVSS 3.x base score of 4.8. 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 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Web-dorado Backup-wd
Published: 2021-07-12
Last modified: 2026-06-17

Description

The Backup by 10Web – Backup and Restore Plugin WordPress plugin through 1.0.20 does not sanitise or escape the tab parameter before outputting it back in the page, leading to a reflected Cross-Site Scripting issue

Frequently asked questions

What is CVE-2021-24426?: The Backup by 10Web – Backup and Restore Plugin WordPress plugin through 1.0.20 does not sanitise or escape the tab parameter before outputting it back in the page, leading to a reflected Cross-Site Scripting issue
How severe is CVE-2021-24426?: CVE-2021-24426 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24426?: CVE-2021-24426 affects Web-dorado Backup-wd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24426?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24426 published?: CVE-2021-24426 was published on 2021-07-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:web-dorado:backup-wd:*:*:*:*:*:wordpress:*:*

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