How severe is CVE-2025-70129?

CVE-2025-70129 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-70129 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-70129?

CVE-2025-70129 affects Pluxml. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-70129?

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

Does CVE-2025-70129 have an EU (EUVD) identifier?

Yes. CVE-2025-70129 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208520.

When was CVE-2025-70129 published?

CVE-2025-70129 was published on 2026-03-10 and last updated on 2026-06-17.

CVE-2025-70129

CVE-2025-70129 is a medium-severity vulnerability in Pluxml with a CVSS 3.x base score of 5.3. 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-804.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208520
Weakness: CWE-804
Affected product: Pluxml
Published: 2026-03-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-70129?: 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.
How severe is CVE-2025-70129?: CVE-2025-70129 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-70129 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-70129?: CVE-2025-70129 affects Pluxml. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-70129?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-70129 have an EU (EUVD) identifier?: Yes. CVE-2025-70129 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208520.
When was CVE-2025-70129 published?: CVE-2025-70129 was published on 2026-03-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pluxml:pluxml:*:*:*:*:*:*:*:*

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