How severe is CVE-2026-0635?

CVE-2026-0635 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-0635 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-0635?

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

Does CVE-2026-0635 have an EU (EUVD) identifier?

Yes. CVE-2026-0635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2539.

When was CVE-2026-0635 published?

CVE-2026-0635 was published on 2026-01-14 and last updated on 2026-06-17.

CVE-2026-0635

CVE-2026-0635 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2539
Weakness: CWE-862
Published: 2026-01-14
Last modified: 2026-06-17

Description

The Responsive Accordion Slider plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'resp_accordion_silder_save_images' function in all versions up to, and including, 1.2.2. This makes it possible for authenticated attackers, with Contributor-level access and above, to modify any slider's image metadata including titles, descriptions, alt text, and links.

Frequently asked questions

What is CVE-2026-0635?: The Responsive Accordion Slider plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'resp_accordion_silder_save_images' function in all versions up to, and including, 1.2.2. This makes it possible for authenticated attackers, with Contributor-level access and above, to modify any slider's image metadata including titles, descriptions, alt text, and links.
How severe is CVE-2026-0635?: CVE-2026-0635 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-0635 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-0635?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-0635 have an EU (EUVD) identifier?: Yes. CVE-2026-0635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2539.
When was CVE-2026-0635 published?: CVE-2026-0635 was published on 2026-01-14 and last updated on 2026-06-17.

References

Other CWE-862 (Missing Authorization) vulnerabilities

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CVE-2025-30416 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis…
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