01 Record
CVE-2026-4127
Speedup Optimization <= 1.5.9 - Missing Authorization to Authenticated (Subscriber+) Plugin Settings Update via 'speedup01_enabled' AJAX Action
MediumPUBLISHEDCNA: Wordfence
CNA base score4.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
02 Description
Speedup Optimization <= 1.5.9 - Missing Authorization to Authenticated (Subscriber+) Plugin Settings Update via 'speedup01_enabled' AJAX Action
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.21% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 11.8% of scored records. A rank, not a probability.
- NVD base score
- 4.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-03-21 03:26Z7 MO AGO
- Last updated
- 2026-04-16 12:51Z6 MO AGO
- Reserved
- 2026-03-13
- Assigning CNA
- Wordfence
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-862Missing AuthorizationClass
- Data version
- 5.2
- Document digest
- 6ff8bf864b17107cebc666690fe38b320d856a8416f7c17369edaa83695e480b
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/3f37c650-af0d-4474-9c1b-7f8d361b4d81?source=cve
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/speedup-optimization/trunk/speedup-optimization.php#L172
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/speedup-optimization/tags/1.5.9/speedup-optimization.php#L172
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/speedup-optimization/trunk/speedup-optimization.php#L178
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/speedup-optimization/tags/1.5.9/speedup-optimization.php#L178