How severe is CVE-2022-40849?

CVE-2022-40849 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-2022-40849 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40849?

CVE-2022-40849 affects Thinkcmf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40849?

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

When was CVE-2022-40849 published?

CVE-2022-40849 was published on 2022-12-01 and last updated on 2026-06-17.

CVE-2022-40849

CVE-2022-40849 is a medium-severity vulnerability in Thinkcmf 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% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Thinkcmf
Published: 2022-12-01
Last modified: 2026-06-17

Description

ThinkCMF version 6.0.7 is affected by Stored Cross-Site Scripting (XSS). An attacker who successfully exploited this vulnerability could inject a Persistent XSS payload in the Slideshow Management section that execute arbitrary JavaScript code on the client side, e.g., to steal the administrator's PHP session token (PHPSESSID).

Frequently asked questions

What is CVE-2022-40849?: ThinkCMF version 6.0.7 is affected by Stored Cross-Site Scripting (XSS). An attacker who successfully exploited this vulnerability could inject a Persistent XSS payload in the Slideshow Management section that execute arbitrary JavaScript code on the client side, e.g., to steal the administrator's PHP session token (PHPSESSID).
How severe is CVE-2022-40849?: CVE-2022-40849 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-2022-40849 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40849?: CVE-2022-40849 affects Thinkcmf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40849?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-40849 published?: CVE-2022-40849 was published on 2022-12-01 and last updated on 2026-06-17.

References

https://github.com/thinkcmf/thinkcmf/issues/737

Affected products (1)

cpe:2.3:a:thinkcmf:thinkcmf:6.0.7:*:*:*:*:*:*:*

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