How severe is CVE-2023-31757?

CVE-2023-31757 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-31757 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31757?

CVE-2023-31757 affects Dedecms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-31757?

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

When was CVE-2023-31757 published?

CVE-2023-31757 was published on 2023-05-19 and last updated on 2026-06-17.

CVE-2023-31757

CVE-2023-31757 is a medium-severity vulnerability in Dedecms with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Dedecms
Published: 2023-05-19
Last modified: 2026-06-17

Description

DedeCMS up to v5.7.108 is vulnerable to XSS in sys_info.php via parameters 'edit___cfg_powerby' and 'edit___cfg_beian'

Frequently asked questions

What is CVE-2023-31757?: DedeCMS up to v5.7.108 is vulnerable to XSS in sys_info.php via parameters 'edit___cfg_powerby' and 'edit___cfg_beian'
How severe is CVE-2023-31757?: CVE-2023-31757 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-31757 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31757?: CVE-2023-31757 affects Dedecms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-31757?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-31757 published?: CVE-2023-31757 was published on 2023-05-19 and last updated on 2026-06-17.

References

https://github.com/sleepyvv/vul_report/blob/main/DedeCMS/XSS.md

Affected products (1)

cpe:2.3:a:dedecms:dedecms:5.7.108:*:*:*:*:*:*:*

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