How severe is CVE-2020-13459?

CVE-2020-13459 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-2020-13459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13459?

CVE-2020-13459 affects Verbb Image Resizer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13459?

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

When was CVE-2020-13459 published?

CVE-2020-13459 was published on 2020-05-25 and last updated on 2026-06-17.

CVE-2020-13459

CVE-2020-13459 is a medium-severity vulnerability in Verbb Image Resizer 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% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Verbb Image Resizer
Published: 2020-05-25
Last modified: 2026-06-17

Description

An issue was discovered in the Image Resizer plugin before 2.0.9 for Craft CMS. There is stored XSS in the Bulk Resize action.

Frequently asked questions

What is CVE-2020-13459?: An issue was discovered in the Image Resizer plugin before 2.0.9 for Craft CMS. There is stored XSS in the Bulk Resize action.
How severe is CVE-2020-13459?: CVE-2020-13459 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-2020-13459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13459?: CVE-2020-13459 affects Verbb Image Resizer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13459?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-13459 published?: CVE-2020-13459 was published on 2020-05-25 and last updated on 2026-06-17.

References

https://github.com/verbb/image-resizer/blob/craft-3/CHANGELOG.md

Affected products (1)

cpe:2.3:a:verbb:image_resizer:*:*:*:*:*:craft_cms:*:*

More vulnerabilities in Verbb Image Resizer

CVE-2020-13458 — High (CVSS 8.8): An issue was discovered in the Image Resizer plugin before 2.0.9 for Craft CMS. There are CSRF issues with the…

All CVEs affecting Verbb Image Resizer →

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

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
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…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →