CVE-2023-40599

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-08-25 · updated 2026-06-17
Weakness: CWE-1333

Description

Regular expression Denial-of-Service (ReDoS) exists in multiple add-ons for Mailform Pro CGI 4.3.1.3 and earlier, which allows a remote unauthenticated attacker to cause a denial-of-service condition. Affected add-ons are as follows: call/call.js, prefcodeadv/search.cgi, estimate/estimate.js, search/search.js, suggest/suggest.js, and coupon/coupon.js.

Affected products

SYNCK GRAPHICA Mailform Pro Cgi: through 4.3.1.3

References

https://jvn.jp/en/jp/JVN86484824/
https://www.synck.com/blogs/news/newsroom/detail_1691668841.html
https://jvn.jp/en/jp/JVN86484824/
https://www.synck.com/blogs/news/newsroom/detail_1691668841.html

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