How severe is CVE-2020-29233?

CVE-2020-29233 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-2020-29233 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29233?

CVE-2020-29233 affects Wondercms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29233?

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

When was CVE-2020-29233 published?

CVE-2020-29233 was published on 2020-12-30 and last updated on 2026-06-17.

CVE-2020-29233

CVE-2020-29233 is a medium-severity vulnerability in Wondercms 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)
CVSS v2: 3.5
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wondercms
Published: 2020-12-30
Last modified: 2026-06-17

Description

WonderCMS 3.1.3 is affected by cross-site scripting (XSS) in the Page description component. This vulnerability can allow an attacker to inject the XSS payload in the Page description and each time any user will visits the website, the XSS triggers and attacker can steal the cookie according to the crafted payload.

Frequently asked questions

What is CVE-2020-29233?: WonderCMS 3.1.3 is affected by cross-site scripting (XSS) in the Page description component. This vulnerability can allow an attacker to inject the XSS payload in the Page description and each time any user will visits the website, the XSS triggers and attacker can steal the cookie according to the crafted payload.
How severe is CVE-2020-29233?: CVE-2020-29233 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-2020-29233 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29233?: CVE-2020-29233 affects Wondercms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29233?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-29233 published?: CVE-2020-29233 was published on 2020-12-30 and last updated on 2026-06-17.

References

https://www.exploit-db.com/exploits/49085

Affected products (1)

cpe:2.3:a:wondercms:wondercms:3.1.3:*:*:*:*:*:*:*

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