CVE-2023-6878
CVE-2023-6878 is a high-severity vulnerability in Leechesnutt Slick Social Share Buttons with a CVSS 3.x base score of 8.8. 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-285.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 0% (38th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-59082
- Weakness: CWE-285
- Affected product: Leechesnutt Slick Social Share Buttons
- Published:
- Last modified:
Description
The Slick Social Share Buttons plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'dcssb_ajax_update' function in versions up to, and including, 2.4.11. This makes it possible for authenticated attackers, with subscriber-level permissions or above to update the site options arbitrarily.
Frequently asked questions
- What is CVE-2023-6878?
- The Slick Social Share Buttons plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'dcssb_ajax_update' function in versions up to, and including, 2.4.11. This makes it possible for authenticated attackers, with subscriber-level permissions or above to update the site options arbitrarily.
- How severe is CVE-2023-6878?
- CVE-2023-6878 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-6878 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-6878?
- CVE-2023-6878 affects Leechesnutt Slick Social Share Buttons. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-6878?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2023-6878 have an EU (EUVD) identifier?
- Yes. CVE-2023-6878 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59082.
- When was CVE-2023-6878 published?
- CVE-2023-6878 was published on 2024-01-11 and last updated on 2026-06-17.
References
- https://plugins.trac.wordpress.org/browser/slick-social-share-buttons/tags/2.4.11/inc/dcwp_admin.php#L49
- https://www.wordfence.com/threat-intel/vulnerabilities/id/79a5c01d-3867-4b1e-b0ba-9a802f0bed92?source=cve
Affected products (1)
- cpe:2.3:a:leechesnutt:slick_social_share_buttons:*:*:*:*:*:wordpress:*:*
Other CWE-285 (Improper Authorization) vulnerabilities
- CVE-2025-65041 — Critical (CVSS 10.0): Improper authorization in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
- CVE-2023-33189 — Critical (CVSS 10.0): Pomerium is an identity and context-aware access proxy. With specially crafted requests, incorrect authorization…
- CVE-2022-2595 — Critical (CVSS 10.0): Improper Authorization in GitHub repository kromitgmbh/titra prior to 0.79.1.
- CVE-2021-28799 — Critical (CVSS 10.0): An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If…
- CVE-2026-34048 — Critical (CVSS 9.9): Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to…
- CVE-2026-5412 — Critical (CVSS 9.9): In Juju versions prior to 2.9.57 and 3.6.21, an authorization issue exists in the Controller facade. An authenticated…
Browse all CWE-285 (Improper Authorization) vulnerabilities →