CVE-2026-4573
CVE-2026-4573 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. 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-74.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- CVSS v2: 6.5
- CVSS v4: 2.1
- EPSS exploit prediction: 0% (10th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-14363
- Weakness: CWE-74
- Published:
- Last modified:
Description
A security vulnerability has been detected in SourceCodester Simple E-learning System 1.0. This affects an unknown part of the file /includes/form_handlers/delete_post.php of the component HTTP GET Parameter Handler. The manipulation of the argument post_id leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.
Frequently asked questions
- What is CVE-2026-4573?
- A security vulnerability has been detected in SourceCodester Simple E-learning System 1.0. This affects an unknown part of the file /includes/form_handlers/delete_post.php of the component HTTP GET Parameter Handler. The manipulation of the argument post_id leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.
- How severe is CVE-2026-4573?
- CVE-2026-4573 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2026-4573 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-4573?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-4573 have an EU (EUVD) identifier?
- Yes. CVE-2026-4573 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14363.
- When was CVE-2026-4573 published?
- CVE-2026-4573 was published on 2026-03-23 and last updated on 2026-06-17.
References
- https://github.com/meifukun/Web-Security-PoCs/blob/main/Simple-E-learning-System/SQLi-DeletePost-postId.md
- https://vuldb.com/?ctiid.352410
- https://vuldb.com/?id.352410
- https://vuldb.com/?submit.775181
- https://www.sourcecodester.com/
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