Is CVE-2025-70129 in the CISA KEV catalog?

No. CVE-2025-70129 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-70129?

CVE-2025-70129 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2025-70129?

CVE-2025-70129 has an EPSS score of 0.29% (21th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-70129?

No published fix for CVE-2025-70129 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-70129

MEDIUM

5.3

CVSS v3

NVD

Description

If the anti spam-captcha functionality in PluXml versions 5.8.22 and earlier is enabled, a captcha challenge is generated with a format that can be automatically recognized for articles, such that an automated script is able to solve this anti-spam mechanism trivially and publish spam comments. The details of captcha challenge are exposed within document body of articles with comments & anti spam-captcha functionalities enabled, including "capcha-letter", "capcha-word" and "capcha-token" which can be used to construct a valid post request to publish a comment. As such, attackers can flood articles with automated spam comments, especially if there are no other web defenses available.

CWE-804

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

0.29%probability of exploitation in 30 days

21stpercentile

Low risk: more likely to be exploited than 21% of all known CVEs.

References

Exploit2

Related Vulnerabilities

Other CWE-804 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-1801	High	7.5	1.2%	-	Fix
CVE-2023-6963	Medium	5.3	0.5%	-	Fix
CVE-2024-30540	Medium	5.3	0.5%	-	-
CVE-2025-8546	Medium	5.3	0.5%	-	-
CVE-2022-4036	Medium	5.3	0.4%	-	-
CVE-2025-10423	Low	3.7	0.4%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-07.