How severe is CVE-2026-13529?

CVE-2026-13529 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-13529 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-13529?

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

When was CVE-2026-13529 published?

CVE-2026-13529 was published on 2026-06-29.

CVE-2026-13529

CVE-2026-13529 is a medium-severity vulnerability with a CVSS 3.x base score of 5.6. 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 5.6)
CVSS v2: 5.1
CVSS v4: 2.9
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Published: 2026-06-29
Last modified: 2026-06-29

Description

A vulnerability was determined in YzmCMS up to 7.5. This affects an unknown function of the file /application/install/index.php. Executing a manipulation of the argument siteurl can lead to sql injection. The attack can be executed remotely. A high complexity level is associated with this attack. The exploitability is reported as difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-13529?: A vulnerability was determined in YzmCMS up to 7.5. This affects an unknown function of the file /application/install/index.php. Executing a manipulation of the argument siteurl can lead to sql injection. The attack can be executed remotely. A high complexity level is associated with this attack. The exploitability is reported as difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-13529?: CVE-2026-13529 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-13529 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-13529?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-13529 published?: CVE-2026-13529 was published on 2026-06-29.

References

Other CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities

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