How severe is CVE-2022-24590?

CVE-2022-24590 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-2022-24590 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-2022-24590?

CVE-2022-24590 affects Backdropcms Backdrop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-24590?

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

When was CVE-2022-24590 published?

CVE-2022-24590 was published on 2022-02-15 and last updated on 2026-06-17.

CVE-2022-24590

CVE-2022-24590 is a medium-severity vulnerability in Backdropcms Backdrop 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% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Backdropcms Backdrop
Published: 2022-02-15
Last modified: 2026-06-17

Description

A stored cross-site scripting (XSS) vulnerability in the Add Link function of BackdropCMS v1.21.1 allows attackers to execute arbitrary web scripts or HTML.

Frequently asked questions

What is CVE-2022-24590?: A stored cross-site scripting (XSS) vulnerability in the Add Link function of BackdropCMS v1.21.1 allows attackers to execute arbitrary web scripts or HTML.
How severe is CVE-2022-24590?: CVE-2022-24590 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-2022-24590 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-2022-24590?: CVE-2022-24590 affects Backdropcms Backdrop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-24590?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-24590 published?: CVE-2022-24590 was published on 2022-02-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:backdropcms:backdrop:1.21.1:*:*:*:*:*:*:*

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